Hi,I have modified the Point.java file as per your requirement.P.pdf
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Hi, I have modified the Point.java file as per your requirement. Point.java public class Point { double x, y; public Point() { x = 0; y = 0; } public Point(double x, double y) { this.x = x; this.y = y; } public double getX() { return x; } public double getY() { return y; } public double getRadius() { return Math.sqrt(x * x + y * y); } public double getAngle() { return Math.atan2(y, x); } } import org.junit.*; import static org.junit.Assert.*; public class PointTest { private static final double TOLERANCE = 1E-12; @Test public void testNoArg() { Point p = new Point(); assertEquals(0, p.getX(), TOLERANCE); assertEquals(0, p.getY(), TOLERANCE); assertEquals(0, p.getRadius(), TOLERANCE); assertEquals(0, p.getAngle(), TOLERANCE); } @Test public void testXY() { Point p = new Point(3, 4); assertEquals(3, p.getX(), TOLERANCE); assertEquals(4, p.getY(), TOLERANCE); assertEquals(5, p.getRadius(), TOLERANCE); assertEquals(0.9272952180016122, p.getAngle(), TOLERANCE); } } Solution Hi, I have modified the Point.java file as per your requirement. Point.java public class Point { double x, y; public Point() { x = 0; y = 0; } public Point(double x, double y) { this.x = x; this.y = y; } public double getX() { return x; } public double getY() { return y; } public double getRadius() { return Math.sqrt(x * x + y * y); } public double getAngle() { return Math.atan2(y, x); } } import org.junit.*; import static org.junit.Assert.*; public class PointTest { private static final double TOLERANCE = 1E-12; @Test public void testNoArg() { Point p = new Point(); assertEquals(0, p.getX(), TOLERANCE); assertEquals(0, p.getY(), TOLERANCE); assertEquals(0, p.getRadius(), TOLERANCE); assertEquals(0, p.getAngle(), TOLERANCE); } @Test public void testXY() { Point p = new Point(3, 4); assertEquals(3, p.getX(), TOLERANCE); assertEquals(4, p.getY(), TOLERANCE); assertEquals(5, p.getRadius(), TOLERANCE); assertEquals(0.9272952180016122, p.getAngle(), TOLERANCE); } }.
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Point.javapublic class Point { int x,y; double m,n; .pdf
Point.java
public class Point
{
int x,y;
double m,n;
public Point(){}
public double getX() { return x; }
public double getY() { return y; }
public double getRadius() { return Math.sqrt(x * x + y * y); }
public double getAngle() { return Math.atan2(y, x); }
public static Point of(int i,int j)
{
Point p=new Point();
p.x=i;
p.y=j;
return p;
}
public static Point ofPolar(double i,double j)
{
Point p=new Point();
p.m=i;
p.n=j;
return p;
}
}
PointTest.java
import org.junit.*;
import static org.junit.Assert.*;
public class PointTest
{
private static final double TOLERANCE = 1E-12;
@Test public void testOf1()
{
Point p = Point.of(1, -1);
assertEquals(1, p.getX(), TOLERANCE);
assertEquals(-1, p.getY(), TOLERANCE);
assertEquals(Math.sqrt(2), p.getRadius(), TOLERANCE);
assertEquals(-Math.PI / 4, p.getAngle(), TOLERANCE);
}
@Test public void testOf2()
{
Point p = Point.ofPolar(Math.sqrt(2), -Math.PI / 4);
assertEquals(1, p.getX(), TOLERANCE);
assertEquals(-1, p.getY(), TOLERANCE);
assertEquals(Math.sqrt(2), p.getRadius(), TOLERANCE);
assertEquals(-Math.PI / 4, p.getAngle(), TOLERANCE);
}
}
Solution
Point.java
public class Point
{
int x,y;
double m,n;
public Point(){}
public double getX() { return x; }
public double getY() { return y; }
public double getRadius() { return Math.sqrt(x * x + y * y); }
public double getAngle() { return Math.atan2(y, x); }
public static Point of(int i,int j)
{
Point p=new Point();
p.x=i;
p.y=j;
return p;
}
public static Point ofPolar(double i,double j)
{
Point p=new Point();
p.m=i;
p.n=j;
return p;
}
}
PointTest.java
import org.junit.*;
import static org.junit.Assert.*;
public class PointTest
{
private static final double TOLERANCE = 1E-12;
@Test public void testOf1()
{
Point p = Point.of(1, -1);
assertEquals(1, p.getX(), TOLERANCE);
assertEquals(-1, p.getY(), TOLERANCE);
assertEquals(Math.sqrt(2), p.getRadius(), TOLERANCE);
assertEquals(-Math.PI / 4, p.getAngle(), TOLERANCE);
}
@Test public void testOf2()
{
Point p = Point.ofPolar(Math.sqrt(2), -Math.PI / 4);
assertEquals(1, p.getX(), TOLERANCE);
assertEquals(-1, p.getY(), TOLERANCE);
assertEquals(Math.sqrt(2), p.getRadius(), TOLERANCE);
assertEquals(-Math.PI / 4, p.getAngle(), TOLERANCE);
}
}.
Test beautycleanness
a code oriented illustration of test-driven development, incremental software change
Les nouveautés de C# 6
Après des années d’évolution, C# continue d’évoluer dans une 6ème version que l’on peut considérer comme mineure mais qui apporte une multitude de nouveautés très utiles. Je suis prêt à parier que bon nombre d’entre vous les utiliseront tous les jours !
TypeScript Introduction
Not so long ago Microsoft announced a new language trageting on front-end developers. Everybody's reaction was like: Why?!! Is it just Microsoft darting back to Google?!
So, why a new language? JavaScript has its bad parts. Mostly you can avoid them or workaraund. You can emulate class-based OOP style, modules, scoping and even run-time typing. But that is doomed to be clumsy. That's not in the language design. Google has pointed out these flaws, provided a new language and failed. Will the story of TypeScript be any different?
Points.java import java.util.ArrayList; import java.util.Scan.pdf
// Points.java
import java.util.ArrayList;
import java.util.Scanner;
public class Points{
double x;
double y;
Points(double xco, double yco){
x = xco;
y = yco;
}
}
// PolygonArea.java
import java.util.ArrayList;
import java.util.Scanner;
public class PolygonArea {
// funtion to determine area of polygon
public static double getArea(ArrayList coordinates) {
double sumxy = 0;
double sumyx = 0;
for (int i = 0; i < coordinates.size(); i++) {
int index = (i + 1) % coordinates.size();
Points point1 = coordinates.get(i);
Points point2 = coordinates.get(index);
sumxy += (point1.x * point2.y);
sumyx += (point1.y * point2.x);
}
double areaPolygon = 0.5 * (sumxy - sumyx);
if (areaPolygon > 0)
return areaPolygon;
else
return -areaPolygon;
}
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.print(\"Enter the number of the points: \");
int totalPoints = scan.nextInt();
System.out.print(\"Enter the coordinates of the points: \");
ArrayList coordinates = new ArrayList<>();
for (int i = 0; i < totalPoints; i++) {
coordinates.add(new Points(scan.nextDouble(), scan.nextDouble()));
}
System.out.println(\"The total area is \" + getArea(coordinates));
}
}
/*
output:
Enter the number of the points: 3
Enter the coordinates of the points: 0 0 0 3 4 0
The total area is 6.0
*/
Solution
// Points.java
import java.util.ArrayList;
import java.util.Scanner;
public class Points{
double x;
double y;
Points(double xco, double yco){
x = xco;
y = yco;
}
}
// PolygonArea.java
import java.util.ArrayList;
import java.util.Scanner;
public class PolygonArea {
// funtion to determine area of polygon
public static double getArea(ArrayList coordinates) {
double sumxy = 0;
double sumyx = 0;
for (int i = 0; i < coordinates.size(); i++) {
int index = (i + 1) % coordinates.size();
Points point1 = coordinates.get(i);
Points point2 = coordinates.get(index);
sumxy += (point1.x * point2.y);
sumyx += (point1.y * point2.x);
}
double areaPolygon = 0.5 * (sumxy - sumyx);
if (areaPolygon > 0)
return areaPolygon;
else
return -areaPolygon;
}
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.print(\"Enter the number of the points: \");
int totalPoints = scan.nextInt();
System.out.print(\"Enter the coordinates of the points: \");
ArrayList coordinates = new ArrayList<>();
for (int i = 0; i < totalPoints; i++) {
coordinates.add(new Points(scan.nextDouble(), scan.nextDouble()));
}
System.out.println(\"The total area is \" + getArea(coordinates));
}
}
/*
output:
Enter the number of the points: 3
Enter the coordinates of the points: 0 0 0 3 4 0
The total area is 6.0
*/.
I have done it under neatbeans IDE and just added ToggleGroup for gr.pdf
I have done it under neatbeans IDE and just added ToggleGroup for grouping radion buttons
inorder to select one at time.
package tempconverter;
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.RadioButton;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.control.Toggle;
import javafx.scene.control.ToggleGroup;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class Tempconverter extends Application {
/**
* @param args the command line arguments executes project
*/
final ToggleGroup group1 = new ToggleGroup();
final ToggleGroup group2 = new ToggleGroup();
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
BorderPane pane = new BorderPane(); //the big picture
BorderPane p1 = new BorderPane();//top
BorderPane p2 = new BorderPane(); //bottom
Label temp = new Label(\"Enter a temperature\"); //enter temp label
Label convertTemp = new Label(\"Converted temperature\"); //converted temp label
Label input = new Label(\"Input Scale\");//input scale label
Label output = new Label(\"Output Scale\");//Output Scale label
TextField tempText = new TextField(); //text field to enter temp
TextField convertText = new TextField(); //output textfield for the converted temp
VBox scaleIn = new VBox(15);
VBox scaleOut = new VBox(15);
RadioButton c = new RadioButton(\"celcius\"); //button for celcius on input side
c.setToggleGroup(group1);
RadioButton f = new RadioButton(\"Fahrenheit\");//button for Fahrenheit on input side
f.setToggleGroup(group1);
RadioButton k = new RadioButton(\"kelvin\");//button for kelvin on inputside
k.setToggleGroup(group1);
RadioButton c1 = new RadioButton(\"celcius\");//button for celcius on outputside
c1.setToggleGroup(group2);
RadioButton f1 = new RadioButton(\"Fahrenheit\"); //button for f on output side
f1.setToggleGroup(group2);
RadioButton k1 = new RadioButton(\"kelvin\"); //button for kelvin on output side
k1.setToggleGroup(group2);
p1.setStyle(\"-fx-border-color:red\"); //set top border pane to red
p1.setRight(tempText);
p1.setLeft(temp);
pane.setTop(p1);
pane.setBottom(p2);
p2.setLeft(convertTemp);
p2.setRight(convertText);
p2.setStyle(\"-fx-border-color:red\");
input.setPrefWidth(100);
output.setPrefWidth(100);
c.setPrefWidth(100);
f.setPrefWidth(100);
k.setPrefWidth(100);
c1.setPrefWidth(100);
f1.setPrefWidth(100);
k1.setPrefWidth(100);
scaleIn.setStyle(\"-fx-border-color:red\");
scaleIn.getChildren().addAll(input, c, f, k);
scaleIn.setAlignment(Pos.CENTER);
pane.setLeft(scaleIn);
TextArea.
Recommended
Point.javapublic class Point { int x,y; double m,n; .pdf
Point.java
public class Point
{
int x,y;
double m,n;
public Point(){}
public double getX() { return x; }
public double getY() { return y; }
public double getRadius() { return Math.sqrt(x * x + y * y); }
public double getAngle() { return Math.atan2(y, x); }
public static Point of(int i,int j)
{
Point p=new Point();
p.x=i;
p.y=j;
return p;
}
public static Point ofPolar(double i,double j)
{
Point p=new Point();
p.m=i;
p.n=j;
return p;
}
}
PointTest.java
import org.junit.*;
import static org.junit.Assert.*;
public class PointTest
{
private static final double TOLERANCE = 1E-12;
@Test public void testOf1()
{
Point p = Point.of(1, -1);
assertEquals(1, p.getX(), TOLERANCE);
assertEquals(-1, p.getY(), TOLERANCE);
assertEquals(Math.sqrt(2), p.getRadius(), TOLERANCE);
assertEquals(-Math.PI / 4, p.getAngle(), TOLERANCE);
}
@Test public void testOf2()
{
Point p = Point.ofPolar(Math.sqrt(2), -Math.PI / 4);
assertEquals(1, p.getX(), TOLERANCE);
assertEquals(-1, p.getY(), TOLERANCE);
assertEquals(Math.sqrt(2), p.getRadius(), TOLERANCE);
assertEquals(-Math.PI / 4, p.getAngle(), TOLERANCE);
}
}
Solution
Point.java
public class Point
{
int x,y;
double m,n;
public Point(){}
public double getX() { return x; }
public double getY() { return y; }
public double getRadius() { return Math.sqrt(x * x + y * y); }
public double getAngle() { return Math.atan2(y, x); }
public static Point of(int i,int j)
{
Point p=new Point();
p.x=i;
p.y=j;
return p;
}
public static Point ofPolar(double i,double j)
{
Point p=new Point();
p.m=i;
p.n=j;
return p;
}
}
PointTest.java
import org.junit.*;
import static org.junit.Assert.*;
public class PointTest
{
private static final double TOLERANCE = 1E-12;
@Test public void testOf1()
{
Point p = Point.of(1, -1);
assertEquals(1, p.getX(), TOLERANCE);
assertEquals(-1, p.getY(), TOLERANCE);
assertEquals(Math.sqrt(2), p.getRadius(), TOLERANCE);
assertEquals(-Math.PI / 4, p.getAngle(), TOLERANCE);
}
@Test public void testOf2()
{
Point p = Point.ofPolar(Math.sqrt(2), -Math.PI / 4);
assertEquals(1, p.getX(), TOLERANCE);
assertEquals(-1, p.getY(), TOLERANCE);
assertEquals(Math.sqrt(2), p.getRadius(), TOLERANCE);
assertEquals(-Math.PI / 4, p.getAngle(), TOLERANCE);
}
}.
Test beautycleanness
a code oriented illustration of test-driven development, incremental software change
Les nouveautés de C# 6
Après des années d’évolution, C# continue d’évoluer dans une 6ème version que l’on peut considérer comme mineure mais qui apporte une multitude de nouveautés très utiles. Je suis prêt à parier que bon nombre d’entre vous les utiliseront tous les jours !
TypeScript Introduction
Not so long ago Microsoft announced a new language trageting on front-end developers. Everybody's reaction was like: Why?!! Is it just Microsoft darting back to Google?!
So, why a new language? JavaScript has its bad parts. Mostly you can avoid them or workaraund. You can emulate class-based OOP style, modules, scoping and even run-time typing. But that is doomed to be clumsy. That's not in the language design. Google has pointed out these flaws, provided a new language and failed. Will the story of TypeScript be any different?
Points.java import java.util.ArrayList; import java.util.Scan.pdf
// Points.java
import java.util.ArrayList;
import java.util.Scanner;
public class Points{
double x;
double y;
Points(double xco, double yco){
x = xco;
y = yco;
}
}
// PolygonArea.java
import java.util.ArrayList;
import java.util.Scanner;
public class PolygonArea {
// funtion to determine area of polygon
public static double getArea(ArrayList coordinates) {
double sumxy = 0;
double sumyx = 0;
for (int i = 0; i < coordinates.size(); i++) {
int index = (i + 1) % coordinates.size();
Points point1 = coordinates.get(i);
Points point2 = coordinates.get(index);
sumxy += (point1.x * point2.y);
sumyx += (point1.y * point2.x);
}
double areaPolygon = 0.5 * (sumxy - sumyx);
if (areaPolygon > 0)
return areaPolygon;
else
return -areaPolygon;
}
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.print(\"Enter the number of the points: \");
int totalPoints = scan.nextInt();
System.out.print(\"Enter the coordinates of the points: \");
ArrayList coordinates = new ArrayList<>();
for (int i = 0; i < totalPoints; i++) {
coordinates.add(new Points(scan.nextDouble(), scan.nextDouble()));
}
System.out.println(\"The total area is \" + getArea(coordinates));
}
}
/*
output:
Enter the number of the points: 3
Enter the coordinates of the points: 0 0 0 3 4 0
The total area is 6.0
*/
Solution
// Points.java
import java.util.ArrayList;
import java.util.Scanner;
public class Points{
double x;
double y;
Points(double xco, double yco){
x = xco;
y = yco;
}
}
// PolygonArea.java
import java.util.ArrayList;
import java.util.Scanner;
public class PolygonArea {
// funtion to determine area of polygon
public static double getArea(ArrayList coordinates) {
double sumxy = 0;
double sumyx = 0;
for (int i = 0; i < coordinates.size(); i++) {
int index = (i + 1) % coordinates.size();
Points point1 = coordinates.get(i);
Points point2 = coordinates.get(index);
sumxy += (point1.x * point2.y);
sumyx += (point1.y * point2.x);
}
double areaPolygon = 0.5 * (sumxy - sumyx);
if (areaPolygon > 0)
return areaPolygon;
else
return -areaPolygon;
}
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.print(\"Enter the number of the points: \");
int totalPoints = scan.nextInt();
System.out.print(\"Enter the coordinates of the points: \");
ArrayList coordinates = new ArrayList<>();
for (int i = 0; i < totalPoints; i++) {
coordinates.add(new Points(scan.nextDouble(), scan.nextDouble()));
}
System.out.println(\"The total area is \" + getArea(coordinates));
}
}
/*
output:
Enter the number of the points: 3
Enter the coordinates of the points: 0 0 0 3 4 0
The total area is 6.0
*/.
I have done it under neatbeans IDE and just added ToggleGroup for gr.pdf
I have done it under neatbeans IDE and just added ToggleGroup for grouping radion buttons
inorder to select one at time.
package tempconverter;
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.RadioButton;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.control.Toggle;
import javafx.scene.control.ToggleGroup;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class Tempconverter extends Application {
/**
* @param args the command line arguments executes project
*/
final ToggleGroup group1 = new ToggleGroup();
final ToggleGroup group2 = new ToggleGroup();
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
BorderPane pane = new BorderPane(); //the big picture
BorderPane p1 = new BorderPane();//top
BorderPane p2 = new BorderPane(); //bottom
Label temp = new Label(\"Enter a temperature\"); //enter temp label
Label convertTemp = new Label(\"Converted temperature\"); //converted temp label
Label input = new Label(\"Input Scale\");//input scale label
Label output = new Label(\"Output Scale\");//Output Scale label
TextField tempText = new TextField(); //text field to enter temp
TextField convertText = new TextField(); //output textfield for the converted temp
VBox scaleIn = new VBox(15);
VBox scaleOut = new VBox(15);
RadioButton c = new RadioButton(\"celcius\"); //button for celcius on input side
c.setToggleGroup(group1);
RadioButton f = new RadioButton(\"Fahrenheit\");//button for Fahrenheit on input side
f.setToggleGroup(group1);
RadioButton k = new RadioButton(\"kelvin\");//button for kelvin on inputside
k.setToggleGroup(group1);
RadioButton c1 = new RadioButton(\"celcius\");//button for celcius on outputside
c1.setToggleGroup(group2);
RadioButton f1 = new RadioButton(\"Fahrenheit\"); //button for f on output side
f1.setToggleGroup(group2);
RadioButton k1 = new RadioButton(\"kelvin\"); //button for kelvin on output side
k1.setToggleGroup(group2);
p1.setStyle(\"-fx-border-color:red\"); //set top border pane to red
p1.setRight(tempText);
p1.setLeft(temp);
pane.setTop(p1);
pane.setBottom(p2);
p2.setLeft(convertTemp);
p2.setRight(convertText);
p2.setStyle(\"-fx-border-color:red\");
input.setPrefWidth(100);
output.setPrefWidth(100);
c.setPrefWidth(100);
f.setPrefWidth(100);
k.setPrefWidth(100);
c1.setPrefWidth(100);
f1.setPrefWidth(100);
k1.setPrefWidth(100);
scaleIn.setStyle(\"-fx-border-color:red\");
scaleIn.getChildren().addAll(input, c, f, k);
scaleIn.setAlignment(Pos.CENTER);
pane.setLeft(scaleIn);
TextArea.
Please help!!I wanted to know how to add a high score to this prog.pdf
Please help!!
I wanted to know how to add a high score to this program and wanted to add how many times
you press the spacebar
import javax.swing.*;
import java.awt.*;
/**
* Created by Thomas on 11/27/2016.
*/
public class Renderer extends JPanel{
//private static final long serialVersionUID = 1L;
protected void paintComponent(Graphics g) {
Main.main.repaint(g);
}
public static int clamp(int greenValue, int i, int j) {
// TODO Auto-generated method stub
return 0;
}
}
OTHER PART:
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Random;
import javax.swing.*;
/**
* Created by Thomas on 11/27/2016.
*/
public class Main implements ActionListener, KeyListener{
public static Main main;
public final int WIDTH = 1400;
public final int HEIGHT = 600;
public HUD Hud;
public Renderer renderer;
public Rectangle character;
public ArrayList cloud;
public Random rand;
public boolean start = false, gameover = false;
public int tick;
public Main() {
JFrame jFrame = new JFrame();
Timer timer = new Timer(20, this);
renderer = new Renderer();
rand = new Random();
jFrame.setTitle(\"Example\");
jFrame.add(renderer);
jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jFrame.setSize(WIDTH, HEIGHT);
jFrame.addKeyListener(this);
jFrame.setVisible(true);
cloud = new ArrayList();
character = new Rectangle(200, 220, 20, 20);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
timer.start();
}
public void repaint(Graphics g) {
g.setColor(Color.black);
g.fillRect(0,0, WIDTH, HEIGHT);
g.setColor(Color.blue);
g.fillRect(0, HEIGHT - 100, WIDTH, 100);
g.setColor(Color.green);
g.fillRect(character.x, character.y, character.width, character.height);
if (character.y >= HEIGHT - 100 || character.y < 0) {
gameover = true;
}
for (Rectangle rect : cloud) {
g.setColor(Color.white);
g.fillRect(rect.x, rect.y, rect.width, rect.height);
}
g.setColor(Color.WHITE);
g.setFont(new Font(\"Times New Roman\", 1 ,100));
if (!start) {
g.drawString(\"Press to start!\", 450, HEIGHT / 2);
}
else if (gameover) {
g.drawString(\"Game Over!\", 450, HEIGHT / 2);
}
}
public void addCloud(boolean start) {
int width = 400;
int height = 200;
if (start) {
cloud.add(new Rectangle(WIDTH + width + cloud.size() * 300, rand.nextInt(HEIGHT-120),
80, 100));
}
else {
cloud.add(new Rectangle(cloud.get(cloud.size() - 1).x + 300, rand.nextInt(HEIGHT-120), 80,
100));
}
}
public void flap() {
if (gameover) {
character = new Rectangle(300, 400, 40, 40);
cloud.clear();
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
gameover = false;
}
if (!start) {
start = true;
}
else if (!gameover) {
character.y -= 70;
tick = 0;
}
}
@Override
public void actionPerformed(ActionEvent e) {
int speed = 15;
//System.out.println(\"Space.
AJUG April 2011 Cascading example
Source code for the examples using Cascading from my April 2011 Atlanta Java Users group presentation.
C# Starter L06-Delegates, Event Handling and Extension Methods
C# Starter L06-Delegates, Event Handling and Extension Methods
Java code to find the closest pair using divide and conquer algorith.pdf
Java code to find the closest pair using divide and conquer algorithm.
Solution
The Brute force solution is O(n^2), compute the distance between each pair and return the
smallest. But Devide and conquer is better and completes in O(nLogn) time.
Please find below the code:
import java.util.*;
// compile: javac ClosestPair.java
// run: Java ClosestPair 500
// Here 500 is some randomly generated set of input points.
/*
The algorithm is :
Input: An array of n points P[]
Output: The smallest distance between two points in the given array.
As a pre-processing step, input array is sorted according to x coordinates.
1) Find the middle point in the sorted array, we can take P[n/2] as middle point.
2) Divide the given array in two halves. The first subarray contains points from P[0] to P[n/2].
The second subarray contains points from P[n/2+1] to P[n-1].
3) Recursively find the smallest distances in both subarrays. Let the distances be dl and dr. Find
the minimum of dl and dr. Let the minimum be d.
*/
public class ClosestPair
{
public static class Point
{
public final double x;
public final double y;
public Point(double x, double y)
{
this.x = x;
this.y = y;
}
public String toString()
{ return \"(\" + x + \", \" + y + \")\"; }
}
public static class Pair
{
public Point point1 = null;
public Point point2 = null;
public double distance = 0.0;
public Pair()
{ }
public Pair(Point point1, Point point2)
{
this.point1 = point1;
this.point2 = point2;
calcDistance();
}
public void update(Point point1, Point point2, double distance)
{
this.point1 = point1;
this.point2 = point2;
this.distance = distance;
}
public void calcDistance()
{ this.distance = distance(point1, point2); }
public String toString()
{ return point1 + \"-\" + point2 + \" : \" + distance; }
}
public static double distance(Point p1, Point p2)
{
double xdist = p2.x - p1.x;
double ydist = p2.y - p1.y;
return Math.hypot(xdist, ydist);
}
public static Pair bruteForce(List points)
{
int numPoints = points.size();
if (numPoints < 2)
return null;
Pair pair = new Pair(points.get(0), points.get(1));
if (numPoints > 2)
{
for (int i = 0; i < numPoints - 1; i++)
{
Point point1 = points.get(i);
for (int j = i + 1; j < numPoints; j++)
{
Point point2 = points.get(j);
double distance = distance(point1, point2);
if (distance < pair.distance)
pair.update(point1, point2, distance);
}
}
}
return pair;
}
public static void sortByX(List points)
{
Collections.sort(points, new Comparator() {
public int compare(Point point1, Point point2)
{
if (point1.x < point2.x)
return -1;
if (point1.x > point2.x)
return 1;
return 0;
}
}
);
}
public static void sortByY(List points)
{
Collections.sort(points, new Comparator() {
public int compare(Point point1, Point point2)
{
if (point1.y < point2.y)
return -1;
if (point1.y > point2.y)
return 1;
return 0;
}
}
);
}
public static Pair divideAndConquer(List points)
{
List pointsSortedByX = new ArrayList(points);
sortByX(pointsSortedByX);
List pointsSortedByY = new ArrayList(points);
sortByY.
Having a problem figuring out where my errors are- The code is not run.pdf
Having a problem figuring out where my errors are. The code is not running how I need it to so I
added a few print statements to help me figure it out but to no avail. Any help would be greatly
appreciated.
import java.io.File;
import java.util.Scanner;
import java.io.FileWriter;
import java.io.IOException;
public class Main
{
public static void main(String[] args)
{
if(args.length != 1)
{
System.out.println("Usage: java Main <input_file>");
return;
}
String inputFileName = args[0];
PersonSet orderedSet = new PersonOrderedSet();
PersonSet imperialSet = new PersonImperialSet();
try(Scanner sc = new Scanner(new File(inputFileName)))
{
if(sc.hasNextLine() && sc.nextLine().startsWith("Name\tHeight (cm)\t\tWeight (kg)"))
{
while(sc.hasNextLine())
{
String line = sc.nextLine();
System.out.println("Line:" + line);
String[] parts = line.split("\t");
if(parts.length == 3)
{
String name = parts[0];
double height;
double weight;
try
{
height = Double.parseDouble(parts[1]);
weight = Double.parseDouble(parts[2]);
Person person = new Person(name, height, weight);
orderedSet.add(person);
imperialSet.add(person);
}
catch (NumberFormatException e)
{
// skip this line
}
}
}
}
}
catch (IOException e)
{
System.out.println("An error occurred while reading the file.");
e.printStackTrace();
return;
}
try(FileWriter writer = new FileWriter("hr_ordered_set_output.txt")) //write ordered set to file
{
writer.write("Name\tHeight (cm)\t\tHeight (kg)\n");
writer.write(orderedSet.toText());
}
catch(IOException e)
{
System.out.println("An error occured while writing the ordered set output file.");
e.printStackTrace();
return;
}
try(FileWriter writer = new FileWriter("hr_imperial_set_output.txt")) //write imperial set to file
{
writer.write("Name\tHeight (in)\t\tWeight (lb)\n");
writer.write(imperialSet.toText());
}
catch(IOException e)
{
System.out.println("An error occured while writing the imperial set output file.");
e.printStackTrace();
return;
}
// Output the ordered data and the imperial data to the screen/console, nicely formatted
System.out.println("Ordered data:");
System.out.println("Name Height (cm) Weight (kg)");
System.out.println("-------------------------------------------");
System.out.print(orderedSet.toString());
System.out.println("Imperial data:");
System.out.println("Name Height (in) Weight (lb)");
System.out.println("------------------------------------------");
System.out.print(imperialSet.toString());
}
}
import java.util.ArrayList;
public class Person implements Comparable<Person> //1
{
private String name;
private double height; //in centimeters
private double weight; // in kilagrams
public Person(String name, double height, double weight)//class that has constructors that
initialize name, height, and weight
{
this.name = name;
this.height = height;
this.weight = weight;
}
@Override
public String toString() //returns a string representation of the person's name, height, and weight
{
return String.format("%s\t%.1f\t\t%.1f", name, height, weight);
}
.
Modul Praktek Java OOP
Modul untuk Praktikum Pengolahan Database di Java dengan menggunakan konsep OOP Mata Pelajaran Pemrograman Internet dengan Java-JSP SMK Telkom Sandhy Putra Malang
Martian Cubics and Unit TestingYou must implement all of the data .pdf
Martian Cubics and Unit Testing
You must implement all of the data members and methods described below. RAM is more
limited on NASA missions than on your home computer, so you may NOT add any instance
variables or static variables to this class other than those described below. You may add methods
of your own, as long as they are private. The data type class you are writing is a very general
class that could be of use in a wide variety of projects at NASA in their Mars research, so take
care in your work!
Implement
eval -- this method takes one parameter (DoubleWithAppx), evaluates the Martian cubic at the
point represented by the parameter and returns a DoubleWithAppx representing the result of that
evaluation. (i.e., if your Martian cubic is 5x^3-3x^2+2x+4, and you call eval(5), it should return
564.)
My Code:
public class MartianCubic {
private final DoubleWithAppx a ;
private final DoubleWithAppx b;
private final DoubleWithAppx c;
private final DoubleWithAppx d;
public MartianCubic() {
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
c = new DoubleWithAppx(0);
d = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx dIn) {
d = dIn;
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
c = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx cIn, DoubleWithAppx dIn) {
c = cIn;
d = dIn;
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx bIn, DoubleWithAppx cIn, DoubleWithAppx dIn) {
this.b = bIn;
this.c = cIn;
this.d = dIn;
a = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx aIn, DoubleWithAppx bIn, DoubleWithAppx cIn,
DoubleWithAppx dIn) {
this.a = aIn;
this.b = bIn;
this.c = cIn;
this.d = dIn;
}
public MartianCubic(MartianCubic other) {
this(
other.getA(),
other.getB(),
other.getC(),
other.getD()
);
}
public DoubleWithAppx getA() {
return a;
}
public DoubleWithAppx getB() {
return b;
}
public DoubleWithAppx getC() {
return c;
}
public DoubleWithAppx getD() {
return d;
}
public DoubleWithAppx eval(DoubleWithAppx x) {
//HINT: Think about how to chain method calls to make this compact.
}
public boolean equals (Object other) {
if (other == null) {
return false;
}
else if (this.getClass()!=other.getClass()) {
return false;
}
else {
MartianCubic casted = (MartianCubic)other;
return (
a.equals(casted.a) &&
b.equals(casted.b) &&
c.equals(casted.c) &&
d.equals(casted.d)
);
}
}
Solution
//solution
package ex;
public class MartianCubic {
private final DoubleWithAppx a ;
private final DoubleWithAppx b;
private final DoubleWithAppx c;
private final DoubleWithAppx d;
public MartianCubic() {
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
c = new DoubleWithAppx(0);
d = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx dIn) {
d = dIn;
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
c = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx cIn, DoubleWithAppx dIn) {
c = cIn;
d = dIn;
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
}
public MartianCubic.
Java: Nie popełniaj tych błędów!
Jako opiekun praktyk, stażów, mentor młodszych kolegów i koleżanek z zespołu, osoba odpowiedzialna za rekrutację techniczną, a także programista, który każdego dnia pracuje z oprogramowaniem dane mi było widzieć wiele błędów, złych zachowań i pomyłek w podejściu do tworzenia czystego kodu. Chciałbym się z Wami podzielić tymi najczęstszymi wpadkami w pracy z językiem Java. To nie będzie zwyczajna pogawędka! Zobaczycie kod źródłowy i ostry refaktoring. Zobaczycie, jak proste zmiany i lepsze zrozumienie samego języka mogą poprawić wydajność i czytelność Waszych aplikacji. Na podstawie całkiem prostych fragmentów kodu pokażę, na co zwrócić uwagę, żeby - to zabrzmi banalnie - być lepszym. Prezentacja dla wszystkich, którzy są na początku (i nie tylko) wspaniałej przygody z programowaniem (i zawrotnej kariery!).
Create a class named Point that represent points in in three dimension.docx
Create a class named Point that represent points in in three dimensional space that has the following properties: It contains three double variables x. y, z representing the components as instance variables. It includes a default constructor that initialize x, y, and z to 0. It include a constructor that requires three arguments one for each component with default value of 0. It include a method to translate (move) the point by dx, dy, and dz in the x, y. and z direction respectively. That is new x component should become x + dx.
Solution
import java.io.*;
public class Point {
private double x;
private double y;
private double z;
public Point() {
x = 0;
y = 0;
z = 0;
}
public Point(double m, double n, double l) {
x = m;
y = n;
z = l;
}
public double getX() {
return x;
}
public double getY() {
return y;
}
public double getZ() {
return z;
}
public Point move(double dx, double dy, double dz) {
double x1, y1, z1;
x1 = x + dx;
y1 = y + dy;
z1 = z + dz;
Point p = new Point(x1, y1, z1);
return p;
}
public static void main(String[] args) throws IOException {
double x1, y1, z1, tx, ty, tz;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println(\"Enter the values of points(x y z)\");
x1 = (Double.parseDouble(br.readLine()));
y1 = (Double.parseDouble(br.readLine()));
z1 = (Double.parseDouble(br.readLine()));
Point obj = new Point(x1, y1, z1);
System.out.println(\"Enter the translation values for the points x,y,z(tx ty tz)\");
tx = (Double.parseDouble(br.readLine()));
ty = (Double.parseDouble(br.readLine()));
tz = (Double.parseDouble(br.readLine()));
obj = obj.move(tx, ty, tz);
System.out.println(\"Translated values of x,y,z are:\" + obj.getX() + \",\" + obj.getY() + \",\" + obj.getZ());
}
}
.
This is to test a balanced tree. I need help testing an unbalanced t.pdf
this is business analytics question. (using gurobi) The days-off scheduling problem must be
solved routinely by businesses that operate 6 or 7 days a week. Examples include hospitals,
airlines, municipal transportation companies, and the postal service. The most common example
is the (5,7)-cyclic staffing problem. The objective of it is to minimize the cost of assigning
workers to a 7-day cyclic schedule so that 1) Sufficient workers are available every day. 2) Each
person works 5 consecutive days and is idle to the remaining 2 days. Here is the table showing
the cost of having an employee for each day and the number of employees required for each day.
For example, the pattern that one works from Sunday to Thursday costs 90+604=330. Formulate
and solve an integer programming problem to represent this problem. How many employees
work Monday-Friday?.
Main class --------------------------import java.awt.FlowLayout.pdf
Main class :-
-------------------------
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class Main {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
final InfixExperssionEvaluator ie = new InfixExperssionEvaluator();
JFrame frame = new JFrame(\"FrameDemo\");
frame.setSize(600,200);
frame.setLayout(new FlowLayout());
JPanel main = new JPanel(new GridLayout(3, 1));
JPanel panel1 = new JPanel(new GridLayout(1, 2));
panel1.setSize(500, 250);
panel1.add(new JLabel(\"Enter Infix Expression\"));
final JTextField field1 = new JTextField();
field1.setSize(150,100);
panel1.add(field1);
main.add(panel1);
JPanel panel2 = new JPanel(new GridLayout(1, 1));
panel1.setSize(300, 150);
JButton button = new JButton();
button.setSize(200, 100);
button.setText(\"Submit\");
panel2.add(button);
main.add(panel2);
JPanel panel3 = new JPanel(new GridLayout(1, 2));
panel3.add(new JLabel(\"Value : \"));
final JLabel lbl = new JLabel();
panel3.add(lbl);
main.add(panel3);
frame.getContentPane().add(main);
frame.setVisible(true);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if (\"Submit\".equals(e.getActionCommand())) {
String expr = field1.getText();
lbl.setText(Double.toString(ie.infixToValue(expr)));
}
}
});
button.setActionCommand(\"Submit\");
String expr = \"((2*5)+(6/2))\";
System.out.println(\"value is ::\"+ ie.infixToValue(expr));
}
}
Class for Evaluate methods :-
-----------------------------------------
import java.util.ArrayDeque;
import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
import java.util.StringTokenizer;
public class InfixExperssionEvaluator {
Stack expressionStack = new Stack();
Stack valueStack = new Stack(); //to hold only non-decimal values
public static final String OPERATORS=\"+-/*()\"; //ignore the \"(\" as an operator
//Map For Operator precedence Key(+,-,*,/) , value 0/1/2/3..
Map operator_levels = new HashMap();
public InfixExperssionEvaluator(){
operator_levels.put(\")\", 0);
operator_levels.put(\"*\", 1);
operator_levels.put(\"/\", 1);
operator_levels.put(\"+\", 2);
operator_levels.put(\"-\", 2);
operator_levels.put(\"(\", 3);
}
double infixToValue(String inputExpression) {
String eachNumber=\"\"; //to hold multiple digit values. lame idea, i know, but can\'t
think of anything else at 2 AM
int totalCharInInput = inputExpression.length();
inputExpression.replaceAll(\"\\\\s+\",\"\");
//Devide String to Tokens
StringTokenizer tokens = new StringTokenizer(inputExpression, \"{}()*/+-\", true);
//Loop through each Token
while(tokens.hasMoreTokens()){
String eachChar = tokens.nextToken();
if (isValidOperator(eachCh.
we know that there is an OH group present in phen.pdf
we know that there is an OH group present in phenols. now, in ortho phenols here
o-nitrophenols intramolecular bonding is possible due to the polar nature of OH bonds which can
result in the formation of hydrogen bonds with the same molecule . this makes it water soluble
and steam volatile which is not in the case of para-isomer. thus A mixture of p-nitrophenol and
o-nitrophenol can be separated by steam distillation.
Solution
we know that there is an OH group present in phenols. now, in ortho phenols here
o-nitrophenols intramolecular bonding is possible due to the polar nature of OH bonds which can
result in the formation of hydrogen bonds with the same molecule . this makes it water soluble
and steam volatile which is not in the case of para-isomer. thus A mixture of p-nitrophenol and
o-nitrophenol can be separated by steam distillation..
systems T and P are different from the reservoi.pdf
system\'s T and P are different from the reservoir.
Solution
system\'s T and P are different from the reservoir..
More Related Content
Similar to Hi,I have modified the Point.java file as per your requirement.P.pdf
Please help!!I wanted to know how to add a high score to this prog.pdf
Please help!!
I wanted to know how to add a high score to this program and wanted to add how many times
you press the spacebar
import javax.swing.*;
import java.awt.*;
/**
* Created by Thomas on 11/27/2016.
*/
public class Renderer extends JPanel{
//private static final long serialVersionUID = 1L;
protected void paintComponent(Graphics g) {
Main.main.repaint(g);
}
public static int clamp(int greenValue, int i, int j) {
// TODO Auto-generated method stub
return 0;
}
}
OTHER PART:
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Random;
import javax.swing.*;
/**
* Created by Thomas on 11/27/2016.
*/
public class Main implements ActionListener, KeyListener{
public static Main main;
public final int WIDTH = 1400;
public final int HEIGHT = 600;
public HUD Hud;
public Renderer renderer;
public Rectangle character;
public ArrayList cloud;
public Random rand;
public boolean start = false, gameover = false;
public int tick;
public Main() {
JFrame jFrame = new JFrame();
Timer timer = new Timer(20, this);
renderer = new Renderer();
rand = new Random();
jFrame.setTitle(\"Example\");
jFrame.add(renderer);
jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jFrame.setSize(WIDTH, HEIGHT);
jFrame.addKeyListener(this);
jFrame.setVisible(true);
cloud = new ArrayList();
character = new Rectangle(200, 220, 20, 20);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
timer.start();
}
public void repaint(Graphics g) {
g.setColor(Color.black);
g.fillRect(0,0, WIDTH, HEIGHT);
g.setColor(Color.blue);
g.fillRect(0, HEIGHT - 100, WIDTH, 100);
g.setColor(Color.green);
g.fillRect(character.x, character.y, character.width, character.height);
if (character.y >= HEIGHT - 100 || character.y < 0) {
gameover = true;
}
for (Rectangle rect : cloud) {
g.setColor(Color.white);
g.fillRect(rect.x, rect.y, rect.width, rect.height);
}
g.setColor(Color.WHITE);
g.setFont(new Font(\"Times New Roman\", 1 ,100));
if (!start) {
g.drawString(\"Press to start!\", 450, HEIGHT / 2);
}
else if (gameover) {
g.drawString(\"Game Over!\", 450, HEIGHT / 2);
}
}
public void addCloud(boolean start) {
int width = 400;
int height = 200;
if (start) {
cloud.add(new Rectangle(WIDTH + width + cloud.size() * 300, rand.nextInt(HEIGHT-120),
80, 100));
}
else {
cloud.add(new Rectangle(cloud.get(cloud.size() - 1).x + 300, rand.nextInt(HEIGHT-120), 80,
100));
}
}
public void flap() {
if (gameover) {
character = new Rectangle(300, 400, 40, 40);
cloud.clear();
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
addCloud(true);
gameover = false;
}
if (!start) {
start = true;
}
else if (!gameover) {
character.y -= 70;
tick = 0;
}
}
@Override
public void actionPerformed(ActionEvent e) {
int speed = 15;
//System.out.println(\"Space.
AJUG April 2011 Cascading example
Source code for the examples using Cascading from my April 2011 Atlanta Java Users group presentation.
C# Starter L06-Delegates, Event Handling and Extension Methods
C# Starter L06-Delegates, Event Handling and Extension Methods
Java code to find the closest pair using divide and conquer algorith.pdf
Java code to find the closest pair using divide and conquer algorithm.
Solution
The Brute force solution is O(n^2), compute the distance between each pair and return the
smallest. But Devide and conquer is better and completes in O(nLogn) time.
Please find below the code:
import java.util.*;
// compile: javac ClosestPair.java
// run: Java ClosestPair 500
// Here 500 is some randomly generated set of input points.
/*
The algorithm is :
Input: An array of n points P[]
Output: The smallest distance between two points in the given array.
As a pre-processing step, input array is sorted according to x coordinates.
1) Find the middle point in the sorted array, we can take P[n/2] as middle point.
2) Divide the given array in two halves. The first subarray contains points from P[0] to P[n/2].
The second subarray contains points from P[n/2+1] to P[n-1].
3) Recursively find the smallest distances in both subarrays. Let the distances be dl and dr. Find
the minimum of dl and dr. Let the minimum be d.
*/
public class ClosestPair
{
public static class Point
{
public final double x;
public final double y;
public Point(double x, double y)
{
this.x = x;
this.y = y;
}
public String toString()
{ return \"(\" + x + \", \" + y + \")\"; }
}
public static class Pair
{
public Point point1 = null;
public Point point2 = null;
public double distance = 0.0;
public Pair()
{ }
public Pair(Point point1, Point point2)
{
this.point1 = point1;
this.point2 = point2;
calcDistance();
}
public void update(Point point1, Point point2, double distance)
{
this.point1 = point1;
this.point2 = point2;
this.distance = distance;
}
public void calcDistance()
{ this.distance = distance(point1, point2); }
public String toString()
{ return point1 + \"-\" + point2 + \" : \" + distance; }
}
public static double distance(Point p1, Point p2)
{
double xdist = p2.x - p1.x;
double ydist = p2.y - p1.y;
return Math.hypot(xdist, ydist);
}
public static Pair bruteForce(List points)
{
int numPoints = points.size();
if (numPoints < 2)
return null;
Pair pair = new Pair(points.get(0), points.get(1));
if (numPoints > 2)
{
for (int i = 0; i < numPoints - 1; i++)
{
Point point1 = points.get(i);
for (int j = i + 1; j < numPoints; j++)
{
Point point2 = points.get(j);
double distance = distance(point1, point2);
if (distance < pair.distance)
pair.update(point1, point2, distance);
}
}
}
return pair;
}
public static void sortByX(List points)
{
Collections.sort(points, new Comparator() {
public int compare(Point point1, Point point2)
{
if (point1.x < point2.x)
return -1;
if (point1.x > point2.x)
return 1;
return 0;
}
}
);
}
public static void sortByY(List points)
{
Collections.sort(points, new Comparator() {
public int compare(Point point1, Point point2)
{
if (point1.y < point2.y)
return -1;
if (point1.y > point2.y)
return 1;
return 0;
}
}
);
}
public static Pair divideAndConquer(List points)
{
List pointsSortedByX = new ArrayList(points);
sortByX(pointsSortedByX);
List pointsSortedByY = new ArrayList(points);
sortByY.
Having a problem figuring out where my errors are- The code is not run.pdf
Having a problem figuring out where my errors are. The code is not running how I need it to so I
added a few print statements to help me figure it out but to no avail. Any help would be greatly
appreciated.
import java.io.File;
import java.util.Scanner;
import java.io.FileWriter;
import java.io.IOException;
public class Main
{
public static void main(String[] args)
{
if(args.length != 1)
{
System.out.println("Usage: java Main <input_file>");
return;
}
String inputFileName = args[0];
PersonSet orderedSet = new PersonOrderedSet();
PersonSet imperialSet = new PersonImperialSet();
try(Scanner sc = new Scanner(new File(inputFileName)))
{
if(sc.hasNextLine() && sc.nextLine().startsWith("Name\tHeight (cm)\t\tWeight (kg)"))
{
while(sc.hasNextLine())
{
String line = sc.nextLine();
System.out.println("Line:" + line);
String[] parts = line.split("\t");
if(parts.length == 3)
{
String name = parts[0];
double height;
double weight;
try
{
height = Double.parseDouble(parts[1]);
weight = Double.parseDouble(parts[2]);
Person person = new Person(name, height, weight);
orderedSet.add(person);
imperialSet.add(person);
}
catch (NumberFormatException e)
{
// skip this line
}
}
}
}
}
catch (IOException e)
{
System.out.println("An error occurred while reading the file.");
e.printStackTrace();
return;
}
try(FileWriter writer = new FileWriter("hr_ordered_set_output.txt")) //write ordered set to file
{
writer.write("Name\tHeight (cm)\t\tHeight (kg)\n");
writer.write(orderedSet.toText());
}
catch(IOException e)
{
System.out.println("An error occured while writing the ordered set output file.");
e.printStackTrace();
return;
}
try(FileWriter writer = new FileWriter("hr_imperial_set_output.txt")) //write imperial set to file
{
writer.write("Name\tHeight (in)\t\tWeight (lb)\n");
writer.write(imperialSet.toText());
}
catch(IOException e)
{
System.out.println("An error occured while writing the imperial set output file.");
e.printStackTrace();
return;
}
// Output the ordered data and the imperial data to the screen/console, nicely formatted
System.out.println("Ordered data:");
System.out.println("Name Height (cm) Weight (kg)");
System.out.println("-------------------------------------------");
System.out.print(orderedSet.toString());
System.out.println("Imperial data:");
System.out.println("Name Height (in) Weight (lb)");
System.out.println("------------------------------------------");
System.out.print(imperialSet.toString());
}
}
import java.util.ArrayList;
public class Person implements Comparable<Person> //1
{
private String name;
private double height; //in centimeters
private double weight; // in kilagrams
public Person(String name, double height, double weight)//class that has constructors that
initialize name, height, and weight
{
this.name = name;
this.height = height;
this.weight = weight;
}
@Override
public String toString() //returns a string representation of the person's name, height, and weight
{
return String.format("%s\t%.1f\t\t%.1f", name, height, weight);
}
.
Modul Praktek Java OOP
Modul untuk Praktikum Pengolahan Database di Java dengan menggunakan konsep OOP Mata Pelajaran Pemrograman Internet dengan Java-JSP SMK Telkom Sandhy Putra Malang
Martian Cubics and Unit TestingYou must implement all of the data .pdf
Martian Cubics and Unit Testing
You must implement all of the data members and methods described below. RAM is more
limited on NASA missions than on your home computer, so you may NOT add any instance
variables or static variables to this class other than those described below. You may add methods
of your own, as long as they are private. The data type class you are writing is a very general
class that could be of use in a wide variety of projects at NASA in their Mars research, so take
care in your work!
Implement
eval -- this method takes one parameter (DoubleWithAppx), evaluates the Martian cubic at the
point represented by the parameter and returns a DoubleWithAppx representing the result of that
evaluation. (i.e., if your Martian cubic is 5x^3-3x^2+2x+4, and you call eval(5), it should return
564.)
My Code:
public class MartianCubic {
private final DoubleWithAppx a ;
private final DoubleWithAppx b;
private final DoubleWithAppx c;
private final DoubleWithAppx d;
public MartianCubic() {
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
c = new DoubleWithAppx(0);
d = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx dIn) {
d = dIn;
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
c = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx cIn, DoubleWithAppx dIn) {
c = cIn;
d = dIn;
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx bIn, DoubleWithAppx cIn, DoubleWithAppx dIn) {
this.b = bIn;
this.c = cIn;
this.d = dIn;
a = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx aIn, DoubleWithAppx bIn, DoubleWithAppx cIn,
DoubleWithAppx dIn) {
this.a = aIn;
this.b = bIn;
this.c = cIn;
this.d = dIn;
}
public MartianCubic(MartianCubic other) {
this(
other.getA(),
other.getB(),
other.getC(),
other.getD()
);
}
public DoubleWithAppx getA() {
return a;
}
public DoubleWithAppx getB() {
return b;
}
public DoubleWithAppx getC() {
return c;
}
public DoubleWithAppx getD() {
return d;
}
public DoubleWithAppx eval(DoubleWithAppx x) {
//HINT: Think about how to chain method calls to make this compact.
}
public boolean equals (Object other) {
if (other == null) {
return false;
}
else if (this.getClass()!=other.getClass()) {
return false;
}
else {
MartianCubic casted = (MartianCubic)other;
return (
a.equals(casted.a) &&
b.equals(casted.b) &&
c.equals(casted.c) &&
d.equals(casted.d)
);
}
}
Solution
//solution
package ex;
public class MartianCubic {
private final DoubleWithAppx a ;
private final DoubleWithAppx b;
private final DoubleWithAppx c;
private final DoubleWithAppx d;
public MartianCubic() {
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
c = new DoubleWithAppx(0);
d = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx dIn) {
d = dIn;
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
c = new DoubleWithAppx(0);
}
public MartianCubic(DoubleWithAppx cIn, DoubleWithAppx dIn) {
c = cIn;
d = dIn;
a = new DoubleWithAppx(0);
b = new DoubleWithAppx(0);
}
public MartianCubic.
Java: Nie popełniaj tych błędów!
Jako opiekun praktyk, stażów, mentor młodszych kolegów i koleżanek z zespołu, osoba odpowiedzialna za rekrutację techniczną, a także programista, który każdego dnia pracuje z oprogramowaniem dane mi było widzieć wiele błędów, złych zachowań i pomyłek w podejściu do tworzenia czystego kodu. Chciałbym się z Wami podzielić tymi najczęstszymi wpadkami w pracy z językiem Java. To nie będzie zwyczajna pogawędka! Zobaczycie kod źródłowy i ostry refaktoring. Zobaczycie, jak proste zmiany i lepsze zrozumienie samego języka mogą poprawić wydajność i czytelność Waszych aplikacji. Na podstawie całkiem prostych fragmentów kodu pokażę, na co zwrócić uwagę, żeby - to zabrzmi banalnie - być lepszym. Prezentacja dla wszystkich, którzy są na początku (i nie tylko) wspaniałej przygody z programowaniem (i zawrotnej kariery!).
Create a class named Point that represent points in in three dimension.docx
Create a class named Point that represent points in in three dimensional space that has the following properties: It contains three double variables x. y, z representing the components as instance variables. It includes a default constructor that initialize x, y, and z to 0. It include a constructor that requires three arguments one for each component with default value of 0. It include a method to translate (move) the point by dx, dy, and dz in the x, y. and z direction respectively. That is new x component should become x + dx.
Solution
import java.io.*;
public class Point {
private double x;
private double y;
private double z;
public Point() {
x = 0;
y = 0;
z = 0;
}
public Point(double m, double n, double l) {
x = m;
y = n;
z = l;
}
public double getX() {
return x;
}
public double getY() {
return y;
}
public double getZ() {
return z;
}
public Point move(double dx, double dy, double dz) {
double x1, y1, z1;
x1 = x + dx;
y1 = y + dy;
z1 = z + dz;
Point p = new Point(x1, y1, z1);
return p;
}
public static void main(String[] args) throws IOException {
double x1, y1, z1, tx, ty, tz;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println(\"Enter the values of points(x y z)\");
x1 = (Double.parseDouble(br.readLine()));
y1 = (Double.parseDouble(br.readLine()));
z1 = (Double.parseDouble(br.readLine()));
Point obj = new Point(x1, y1, z1);
System.out.println(\"Enter the translation values for the points x,y,z(tx ty tz)\");
tx = (Double.parseDouble(br.readLine()));
ty = (Double.parseDouble(br.readLine()));
tz = (Double.parseDouble(br.readLine()));
obj = obj.move(tx, ty, tz);
System.out.println(\"Translated values of x,y,z are:\" + obj.getX() + \",\" + obj.getY() + \",\" + obj.getZ());
}
}
.
This is to test a balanced tree. I need help testing an unbalanced t.pdf
this is business analytics question. (using gurobi) The days-off scheduling problem must be
solved routinely by businesses that operate 6 or 7 days a week. Examples include hospitals,
airlines, municipal transportation companies, and the postal service. The most common example
is the (5,7)-cyclic staffing problem. The objective of it is to minimize the cost of assigning
workers to a 7-day cyclic schedule so that 1) Sufficient workers are available every day. 2) Each
person works 5 consecutive days and is idle to the remaining 2 days. Here is the table showing
the cost of having an employee for each day and the number of employees required for each day.
For example, the pattern that one works from Sunday to Thursday costs 90+604=330. Formulate
and solve an integer programming problem to represent this problem. How many employees
work Monday-Friday?.
Main class --------------------------import java.awt.FlowLayout.pdf
Main class :-
-------------------------
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class Main {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
final InfixExperssionEvaluator ie = new InfixExperssionEvaluator();
JFrame frame = new JFrame(\"FrameDemo\");
frame.setSize(600,200);
frame.setLayout(new FlowLayout());
JPanel main = new JPanel(new GridLayout(3, 1));
JPanel panel1 = new JPanel(new GridLayout(1, 2));
panel1.setSize(500, 250);
panel1.add(new JLabel(\"Enter Infix Expression\"));
final JTextField field1 = new JTextField();
field1.setSize(150,100);
panel1.add(field1);
main.add(panel1);
JPanel panel2 = new JPanel(new GridLayout(1, 1));
panel1.setSize(300, 150);
JButton button = new JButton();
button.setSize(200, 100);
button.setText(\"Submit\");
panel2.add(button);
main.add(panel2);
JPanel panel3 = new JPanel(new GridLayout(1, 2));
panel3.add(new JLabel(\"Value : \"));
final JLabel lbl = new JLabel();
panel3.add(lbl);
main.add(panel3);
frame.getContentPane().add(main);
frame.setVisible(true);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if (\"Submit\".equals(e.getActionCommand())) {
String expr = field1.getText();
lbl.setText(Double.toString(ie.infixToValue(expr)));
}
}
});
button.setActionCommand(\"Submit\");
String expr = \"((2*5)+(6/2))\";
System.out.println(\"value is ::\"+ ie.infixToValue(expr));
}
}
Class for Evaluate methods :-
-----------------------------------------
import java.util.ArrayDeque;
import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
import java.util.StringTokenizer;
public class InfixExperssionEvaluator {
Stack expressionStack = new Stack();
Stack valueStack = new Stack(); //to hold only non-decimal values
public static final String OPERATORS=\"+-/*()\"; //ignore the \"(\" as an operator
//Map For Operator precedence Key(+,-,*,/) , value 0/1/2/3..
Map operator_levels = new HashMap();
public InfixExperssionEvaluator(){
operator_levels.put(\")\", 0);
operator_levels.put(\"*\", 1);
operator_levels.put(\"/\", 1);
operator_levels.put(\"+\", 2);
operator_levels.put(\"-\", 2);
operator_levels.put(\"(\", 3);
}
double infixToValue(String inputExpression) {
String eachNumber=\"\"; //to hold multiple digit values. lame idea, i know, but can\'t
think of anything else at 2 AM
int totalCharInInput = inputExpression.length();
inputExpression.replaceAll(\"\\\\s+\",\"\");
//Devide String to Tokens
StringTokenizer tokens = new StringTokenizer(inputExpression, \"{}()*/+-\", true);
//Loop through each Token
while(tokens.hasMoreTokens()){
String eachChar = tokens.nextToken();
if (isValidOperator(eachCh.
Similar to Hi,I have modified the Point.java file as per your requirement.P.pdf (20)
Please help!!I wanted to know how to add a high score to this prog.pdf
Please help!!I wanted to know how to add a high score to this prog.pdf
C# Starter L06-Delegates, Event Handling and Extension Methods
C# Starter L06-Delegates, Event Handling and Extension Methods
Java code to find the closest pair using divide and conquer algorith.pdf
Java code to find the closest pair using divide and conquer algorith.pdf
Having a problem figuring out where my errors are- The code is not run.pdf
Having a problem figuring out where my errors are- The code is not run.pdf
Martian Cubics and Unit TestingYou must implement all of the data .pdf
Martian Cubics and Unit TestingYou must implement all of the data .pdf
Create a class named Point that represent points in in three dimension.docx
Create a class named Point that represent points in in three dimension.docx
This is to test a balanced tree. I need help testing an unbalanced t.pdf
This is to test a balanced tree. I need help testing an unbalanced t.pdf
Main class --------------------------import java.awt.FlowLayout.pdf
Main class --------------------------import java.awt.FlowLayout.pdf
More from anokhijew
we know that there is an OH group present in phen.pdf
we know that there is an OH group present in phenols. now, in ortho phenols here
o-nitrophenols intramolecular bonding is possible due to the polar nature of OH bonds which can
result in the formation of hydrogen bonds with the same molecule . this makes it water soluble
and steam volatile which is not in the case of para-isomer. thus A mixture of p-nitrophenol and
o-nitrophenol can be separated by steam distillation.
Solution
we know that there is an OH group present in phenols. now, in ortho phenols here
o-nitrophenols intramolecular bonding is possible due to the polar nature of OH bonds which can
result in the formation of hydrogen bonds with the same molecule . this makes it water soluble
and steam volatile which is not in the case of para-isomer. thus A mixture of p-nitrophenol and
o-nitrophenol can be separated by steam distillation..
systems T and P are different from the reservoi.pdf
system\'s T and P are different from the reservoir.
Solution
system\'s T and P are different from the reservoir..
Since X represents the solid phase, Y represents .pdf
Since X represents the solid phase, Y represents the liquid phase,and Z is the vapor
phase: F to E = deposition C to D = boiling D to C = condensation E to F = sublimation E to C =
melting C to E = freezing A = triple point B = critical point
Solution
Since X represents the solid phase, Y represents the liquid phase,and Z is the vapor
phase: F to E = deposition C to D = boiling D to C = condensation E to F = sublimation E to C =
melting C to E = freezing A = triple point B = critical point.
P inversly proportional to 1V so answer is C .pdf
P inversly proportional to 1/V so answer is C
Solution
P inversly proportional to 1/V so answer is C.
nutrinos are the smallest part of an atom. NOTE-.pdf
nutrinos are the smallest part of an atom. NOTE:-Usually electrons are smallest but
they are a lot so quack occurs.
Solution
nutrinos are the smallest part of an atom. NOTE:-Usually electrons are smallest but
they are a lot so quack occurs..
Molecular solids are held together in single chai.pdf
Molecular solids are held together in single chains of bonds using either LDF forces
or dipole-dipole forces. These are weaker bonds than network covalent because instead of single
bonds, network covalent solids (such as sand, graphite and diamond) form webs of bonds that
interlock with one another.
Solution
Molecular solids are held together in single chains of bonds using either LDF forces
or dipole-dipole forces. These are weaker bonds than network covalent because instead of single
bonds, network covalent solids (such as sand, graphite and diamond) form webs of bonds that
interlock with one another..
Liquid crystals (LCs) are a state of matter that .pdf
Liquid crystals (LCs) are a state of matter that have properties between those of a
conventional liquid and those of a solid crystal.[1] For instance, an LC may flow like a liquid,
but its molecules may be oriented in a crystal-like way. There are many different types of LC
phases, which can be distinguished by their different optical properties (such as birefringence).
When viewed under a microscope using a polarized light source, different liquid crystal phases
will appear to have distinct textures. The contrasting areas in the textures correspond to domains
where the LC molecules are oriented in different directions. Within a domain, however, the
molecules are well ordered. LC materials may not always be in an LC phase (just as water may
turn into ice or steam). Liquid crystals can be divided into thermotropic, lyotropic and
metallotropic phases. Thermotropic and lyotropic LCs consist of organic molecules.
Thermotropic LCs exhibit a phase transition into the LC phase as temperature is changed.
Lyotropic LCs exhibit phase transitions as a function of both temperature and concentration of
the LC molecules in a solvent (typically water). Metallotropic LCs are composed of both organic
and inorganic molecules; their LC transition depends not only on temperature and concentration,
but also on the inorganic-organic composition ratio.
Solution
Liquid crystals (LCs) are a state of matter that have properties between those of a
conventional liquid and those of a solid crystal.[1] For instance, an LC may flow like a liquid,
but its molecules may be oriented in a crystal-like way. There are many different types of LC
phases, which can be distinguished by their different optical properties (such as birefringence).
When viewed under a microscope using a polarized light source, different liquid crystal phases
will appear to have distinct textures. The contrasting areas in the textures correspond to domains
where the LC molecules are oriented in different directions. Within a domain, however, the
molecules are well ordered. LC materials may not always be in an LC phase (just as water may
turn into ice or steam). Liquid crystals can be divided into thermotropic, lyotropic and
metallotropic phases. Thermotropic and lyotropic LCs consist of organic molecules.
Thermotropic LCs exhibit a phase transition into the LC phase as temperature is changed.
Lyotropic LCs exhibit phase transitions as a function of both temperature and concentration of
the LC molecules in a solvent (typically water). Metallotropic LCs are composed of both organic
and inorganic molecules; their LC transition depends not only on temperature and concentration,
but also on the inorganic-organic composition ratio..
interstellar medium (gas) Solution .pdf
interstellar medium (gas)
Solution
interstellar medium (gas).
Hhyd = Hcrystallization + Hsolv Enthalpy of Solv.pdf
Hhyd = Hcrystallization + Hsolv Enthalpy of Solvation (Hsolv kJ/mol) of Some
Common Electrolytes Substanc Hsolv Substance Hsolv AlCl3(s) -373.63 H2SO4(l) -95.28
LiNO3(s) -2.51 LiCl(s) -37.03 NaNO3(s) 20.50 NaCl(s) 3.88 KNO3(s) 34.89 KCl(s) -17.22
NaOH(s) -44.51 NH4Cl(s) 14.77 use this i think may help u
Solution
Hhyd = Hcrystallization + Hsolv Enthalpy of Solvation (Hsolv kJ/mol) of Some
Common Electrolytes Substanc Hsolv Substance Hsolv AlCl3(s) -373.63 H2SO4(l) -95.28
LiNO3(s) -2.51 LiCl(s) -37.03 NaNO3(s) 20.50 NaCl(s) 3.88 KNO3(s) 34.89 KCl(s) -17.22
NaOH(s) -44.51 NH4Cl(s) 14.77 use this i think may help u.
The answer is (b) the condensation of steam to liiquid water.The e.pdf
The answer is (b) the condensation of steam to liiquid water.
The entropy decreases because the system becomes more ordered (free water molecules in steam
become less free in liquid water due to stronger bonding to neighbours).
Solution
The answer is (b) the condensation of steam to liiquid water.
The entropy decreases because the system becomes more ordered (free water molecules in steam
become less free in liquid water due to stronger bonding to neighbours)..
XML Extensiable Markup LanguageHTML Hypertext Markup LanguageD.pdf
XML: Extensiable Markup Language
HTML: Hypertext Markup Language
Difference between XML and HTML:
Solution
XML: Extensiable Markup Language
HTML: Hypertext Markup Language
Difference between XML and HTML:.
The Data recovery is of two types …One method is by using a softwa.pdf
The Data recovery is of two types …
One method is by using a software that can recover files.There are certain benifits and risks by
using this way.
\'File System has file records and each file record is stored in Master File Table(MFT).MFT
doesnt have file data but has only information about the file,which is used while retrieve the file.
Each file and folder stored in File System has its entry in Master File Table. Even deleted files
and folders also have there entry in Master File Table until it is reallocated to other file or folder.
We also know that $BITMAP metadata file has information about allocation status of disk
clusters. Using this information we have proposed the technique to recover deleted files from
File System partition which is given below:
Steps followed in deleted file recovery are:
1.Search Files MFT Entry
2. Process it’s $DATA attribute
3. If $DATA attribute is resident, file content is present in MFT Entry. Just copy it to external
location to complete recovery process.
4. If $DATA attribute is non-resident, file’s contents are present in external cluster. Then parse
the RunList present in the attribute.
5. Check if each cluster listed in Runlist is allocated or not. If all clusters have allocated status as
0, means that the files data is still present on disk. Therefore complete recovery is possible. Copy
file’s contents to external location to complete recovery process.
6. If some clusters have allocated status as 1, then the partial recovery is possible. Copy file’s
contents to external location with reallocated cluster’s values as zeros to complete partial
recovery process.
If all clusters have allocated status as 1, then the file’s contents are lost and recovery is
impossible. The above technique can handle the file’s data which is fragmented across number of
cluster runs so gives more granular results in recovery of deleted files. The technique does not
require any external storage or use of sorting therefore can increase the performance in recovery
process of deleted files.
As we are discussing the file recovery through software the recovery software starts by trying to
read and process the first copy of the info about files and folders. In some cases such as
accidental file deletion, this is the only step where we can recover the file entirely
If the first copy of the info about files and folders is severely damaged, the software scans the
disk for the second copy of the info about files and folders. It also attempts to glean additional
information about the folders and files structure that may be on the data part of the disk. Then, it
processes all this information to reconstruct the original folders and file structure.
If the file system on the disk isn\'t severely damaged, it is often possible to recover the entire file
and folder structure.
If the file system on the disk is severely damaged, this recovery method cannot recreate the
entire folder structure.
Then these files are stored in the unkonwn folders..
Thanks anon101. D is correctSolutionThanks anon101. D is corre.pdf
Thanks anon101. D is correct
Solution
Thanks anon101. D is correct.
StudentData.javaimport java.util.Scanner; public class Student.pdf
StudentData.java
import java.util.Scanner;
public class StudentData {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int totalStudents = 0;
int maleCount = 0, femaleCount = 0, minorCount = 0, adultCount = 0, seniorCount = 0;
while(true){
System.out.println(\"Do you ant to add a student (n to stop):\");
char ch = scan.next().charAt(0);
if(ch == \'n\' || ch == \'N\'){
break;
}
else{
System.out.println(\"Enter the student gender (male or female)\");
String gender = scan.next();
if(gender.equalsIgnoreCase(\"male\")){
maleCount++;
}
else{
femaleCount++;
}
System.out.println(\"Enter student age:\");
int age = scan.nextInt();
if(age <= 18){
minorCount++;
}
else if(age >=19 && age <= 65){
adultCount++;
}
else{
seniorCount++;
}
}
}
totalStudents = maleCount + femaleCount;
System.out.println(\"Total Students: \"+totalStudents);
System.out.println(\"Male: \"+maleCount);
System.out.println(\"Female: \"+femaleCount);
System.out.println(\"Minor: \"+minorCount);
System.out.println(\"Adult: \"+adultCount);
System.out.println(\"Senior: \"+seniorCount);
String s = (maleCount >= femaleCount)? \"Students are mre males\":\"Students are more
females\";
System.out.println(s);
}
}
Output:
Do you ant to add a student (n to stop):
y
Enter the student gender (male or female)
male
Enter student age:
44
Do you ant to add a student (n to stop):
y
Enter the student gender (male or female)
male
Enter student age:
77
Do you ant to add a student (n to stop):
y
Enter the student gender (male or female)
male
Enter student age:
12
Do you ant to add a student (n to stop):
yy
Enter the student gender (male or female)
female
Enter student age:
55
Do you ant to add a student (n to stop):
y
Enter the student gender (male or female)
female
Enter student age:
33
Do you ant to add a student (n to stop):
n
Total Students: 5
Male: 3
Female: 2
Minor: 1
Adult: 3
Senior: 1
Students are mre males
Solution
StudentData.java
import java.util.Scanner;
public class StudentData {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int totalStudents = 0;
int maleCount = 0, femaleCount = 0, minorCount = 0, adultCount = 0, seniorCount = 0;
while(true){
System.out.println(\"Do you ant to add a student (n to stop):\");
char ch = scan.next().charAt(0);
if(ch == \'n\' || ch == \'N\'){
break;
}
else{
System.out.println(\"Enter the student gender (male or female)\");
String gender = scan.next();
if(gender.equalsIgnoreCase(\"male\")){
maleCount++;
}
else{
femaleCount++;
}
System.out.println(\"Enter student age:\");
int age = scan.nextInt();
if(age <= 18){
minorCount++;
}
else if(age >=19 && age <= 65){
adultCount++;
}
else{
seniorCount++;
}
}
}
totalStudents = maleCount + femaleCount;
System.out.println(\"Total Students: \"+totalStudents);
System.out.println(\"Male: \"+maleCount);
System.out.println(\"Female: \"+femaleCount);
System.out.println(\"Minor: \"+minorCount);
System.out.println(\"Adult: \"+adultCount);
System.out.println(\"Senior: \"+seni.
Reverse EngineeringReverse engineering is also a back engineering .pdf
Reverse Engineering
Reverse engineering is also a back engineering which is extracting knowledge from manmade
and reproducing it from extracted information. Reverse engineering convert’s binary code of the
program and recreating it back to the original source code is known as reverse engineering.
Reverse engineering is common in both hardware and software. It convert’s the code written in
high level language into a low level language without changing the original program is also a
reverse engineering The process of recreating a design by analyzing a final product of a software
is also known as reverse engineering.
Reverse Engineering is used in many fields of Information Technology in form of Malware
Analysis, Network Analysis, debugging, and improvising existing algorithms, software
reusability
Reverse engineering is used in software design for to add new features to the existing software
with or without knowing the source code.
It help’s to study the virus and malware codeIt makes the system does not have any major
.vulnerabilities and security flaws.Some of the reverse engineering tools are debugger and
disassemblers.Reverse engineering is also beneficial for business owners as they can incorporate
advanced features into their software to meet the demands of the growing markets.
Solution
Reverse Engineering
Reverse engineering is also a back engineering which is extracting knowledge from manmade
and reproducing it from extracted information. Reverse engineering convert’s binary code of the
program and recreating it back to the original source code is known as reverse engineering.
Reverse engineering is common in both hardware and software. It convert’s the code written in
high level language into a low level language without changing the original program is also a
reverse engineering The process of recreating a design by analyzing a final product of a software
is also known as reverse engineering.
Reverse Engineering is used in many fields of Information Technology in form of Malware
Analysis, Network Analysis, debugging, and improvising existing algorithms, software
reusability
Reverse engineering is used in software design for to add new features to the existing software
with or without knowing the source code.
It help’s to study the virus and malware codeIt makes the system does not have any major
.vulnerabilities and security flaws.Some of the reverse engineering tools are debugger and
disassemblers.Reverse engineering is also beneficial for business owners as they can incorporate
advanced features into their software to meet the demands of the growing markets..
Quantum mechanics predicts the existence of what are usually called .pdf
Quantum mechanics predicts the existence of what are usually called \'\'zero-point\'\' energies for
the strong, the weak and the electromagnetic interactions, where \'\'zero-point\'\' refers to the
energy of the system at temperature T=0, or the lowest quantized energy level of a quantum
mechanical system. Although the term \'\'zero-point energy\'\' applies to all three of these
interactions in nature, customarily (and hereafter in this article) it is used in reference only to the
electromagnetic case.
In conventional quantum physics, the origin of zero-point energy is the Heisenberg uncertainty
principle, which states that, for a moving particle such as an electron, the more precisely one
measures the position, the less exact the best possible measurement of its momentum (mass
times velocity), and vice versa. The least possible uncertainty of position times momentum is
specified by Planck\'s constant, h. A parallel uncertainty exists between measurements involving
time and energy (and other so-called conjugate variables in quantum mechanics). This minimum
uncertainty is not due to any correctable flaws in measurement, but rather reflects an intrinsic
quantum fuzziness in the very nature of energy and matter springing from the wave nature of the
various quantum fields. This leads to the concept of zero-point energy.
Zero-point energy is the energy that remains when all other energy is removed from a system.
This behaviour is demonstrated by, for example, liquid helium. As the temperature is lowered to
absolute zero, helium remains a liquid, rather than freezing to a solid, owing to the irremovable
zero-point energy of its atomic motions. (Increasing the pressure to 25 atmospheres will cause
helium to freeze.)
A harmonic oscillator is a useful conceptual tool in physics. Classically a harmonic oscillator,
such as a mass on a spring, can always be brought to rest. However a quantum harmonic
oscillator does not permit this. A residual motion will always remain due to the requirements of
the Heisenberg uncertainty principle, resulting in a zero-point energy, equal to 1/2 hf, where f is
the oscillation frequency.
Electromagnetic radiation can be pictured as waves flowing through space at the speed of light.
The waves are not waves of anything substantive, but are ripples in a state of a theoretically
defined field. However these waves do carry energy (and momentum), and each wave has a
specific direction, frequency and polarization state. Each wave represents a \'\'propagating mode
of the electromagnetic field.\'\'
Each mode is equivalent to a harmonic oscillator and is thus subject to the Heisenberg
uncertainty principle. From this analogy, every mode of the field must have 1/2 hf as its average
minimum energy. That is a tiny amount of energy in each mode, but the number of modes is
enormous, and indeed increases per unit frequency interval as the square of the frequency. The
spectral energy density is determined by the density of modes times the.
Program Educational Objectives • To create competencies and opportun.pdf
Program Educational Objectives • To create competencies and opportunities for Higher
Education; • To create professional manpower skilled for the IT Industry; • To provide
laboratory practices with advanced FOSS Tools; • To provide inter-disciplinary opportunities; •
To provide opportunities of developing technical documents and presentation skills. • to provide
opportunities of industry-Institute interactions; • To develop opportunities to promote
Entrepreneurship and start-ups; • To nurture professional and social ethics. Program Objectives •
To expose students to the Systems and Applications Programming, Organizations and
Architectures; • To provide conceptual knowledge in the Computing domain; • To provide
interdisciplinary knowledge; • To expose students with advanced tools used in industry; • To
develop written and soft-skill competencies; • To develop team work experience of professionals
skills for IT Industry. Program Outcomes • To test applications with concepts and skills in the
domain subjects; • To demonstrate skills in programming techniques and technologies; • To
demonstrate oral and written skills for technical presentations and documentation; • To
demonstrate IT project as team work; • To demonstrate social and Professional ethical practices;
2 SAVITRIBAI PHULE PUNE UNIVERSITY BE (COMPUTER ENGINEERING)- 2012
COURSE STRUCTURE Term-I Subject Subject Teaching Scheme Examination Scheme Total
Code Marks Lect Tut Pract In PR/ OR/ End Sem TW TW Sem Asmnt Asmnt 410441 Design &
Analysis 03 — — 30 — — 70 100 of Algorithms 410442 Principles of Modern 04 — — 30 —
— 70 100 Compiler Design 410443 Smart System Design 03 — — 30 — — 70 100 and
Applications 410444 Elective-I 03 — — 30 — — 70 100 410445 Elective-II 03 — — 30 — —
70 100 410446 Computer — — 04 — 50 50 — 100 laboratory-I 410447 Computer — — 04 —
50 50 — 100 Laboratory-II 410448 Project — 02 — — 50 — — 50 Total 16 02 08 150 150 100
350 750 Term-II 410449 Software Design 03 — — 30 — — 70 100 Methodologies & Testing
410450 High 03 — — 30 — — 70 100 Performance Computing 410451 Elective-III 03 — — 30
— — 70 100 410452 Elective-IV 03 — — 30 — — 70 100 Open Elective 410453 Computer —
— 04 — 50 50 — 100 laboratory-III 410454 Computer — — 04 — 50 50 — 100 Laboratory-IV
410455 Project — 06 — — 50 100 — 150 Total 12 06 08 120 150 200 280 750
Solution
Program Educational Objectives • To create competencies and opportunities for Higher
Education; • To create professional manpower skilled for the IT Industry; • To provide
laboratory practices with advanced FOSS Tools; • To provide inter-disciplinary opportunities; •
To provide opportunities of developing technical documents and presentation skills. • to provide
opportunities of industry-Institute interactions; • To develop opportunities to promote
Entrepreneurship and start-ups; • To nurture professional and social ethics. Program Objectives •
To expose students to the Systems and Applications Programming, Organizations and
Architectures; • To.
P2O5 removes H2O from Alcohol to form Alkene O of Alcohol gives it.pdf
P2O5 removes H2O from Alcohol to form Alkene
O of Alcohol gives its lone pair to Higly e- defficient P of P2O5
O makes bond to P and breaks its bond to C atom
P also breaks its Double bond with O which now works as a base and abstract H atom from C
resulting in formation of an alkene
Solution
P2O5 removes H2O from Alcohol to form Alkene
O of Alcohol gives its lone pair to Higly e- defficient P of P2O5
O makes bond to P and breaks its bond to C atom
P also breaks its Double bond with O which now works as a base and abstract H atom from C
resulting in formation of an alkene.
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- 1. Hi, I have modified the Point.java file as per your requirement. Point.java public class Point { double x, y; public Point() { x = 0; y = 0; } public Point(double x, double y) { this.x = x; this.y = y; } public double getX() { return x; } public double getY() { return y; } public double getRadius() { return Math.sqrt(x * x + y * y); } public double getAngle() { return Math.atan2(y, x); } } import org.junit.*; import static org.junit.Assert.*; public class PointTest { private static final double TOLERANCE = 1E-12; @Test public void testNoArg() { Point p = new Point(); assertEquals(0, p.getX(), TOLERANCE); assertEquals(0, p.getY(), TOLERANCE); assertEquals(0, p.getRadius(), TOLERANCE); assertEquals(0, p.getAngle(), TOLERANCE); } @Test public void testXY() {
- 2. Point p = new Point(3, 4); assertEquals(3, p.getX(), TOLERANCE); assertEquals(4, p.getY(), TOLERANCE); assertEquals(5, p.getRadius(), TOLERANCE); assertEquals(0.9272952180016122, p.getAngle(), TOLERANCE); } } Solution Hi, I have modified the Point.java file as per your requirement. Point.java public class Point { double x, y; public Point() { x = 0; y = 0; } public Point(double x, double y) { this.x = x; this.y = y; } public double getX() { return x; } public double getY() { return y; } public double getRadius() { return Math.sqrt(x * x + y * y); } public double getAngle() { return Math.atan2(y, x); } } import org.junit.*; import static org.junit.Assert.*; public class PointTest { private static final double TOLERANCE = 1E-12; @Test public void testNoArg()
- 3. { Point p = new Point(); assertEquals(0, p.getX(), TOLERANCE); assertEquals(0, p.getY(), TOLERANCE); assertEquals(0, p.getRadius(), TOLERANCE); assertEquals(0, p.getAngle(), TOLERANCE); } @Test public void testXY() { Point p = new Point(3, 4); assertEquals(3, p.getX(), TOLERANCE); assertEquals(4, p.getY(), TOLERANCE); assertEquals(5, p.getRadius(), TOLERANCE); assertEquals(0.9272952180016122, p.getAngle(), TOLERANCE); } }