1.program to use JTextFieldsource codeimport java.awt.;impor.pdf
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1.program to use JTextField source code: import java.awt.*; import java.awt.event.*; import javax.swing.*; public class JTextFieldText1 implements ActionListener { JTextField tf; JLable lb1,lb2; public JTextFieldText() { JFrame f= new JFrame(); f.setDefaulitcloseOperation(JFrame.EXIT_ON_CLOSE); f.setLayout(new FlowLayout()); lb1=new JLable(\"enter the name\"); tf=new JTextField(15); tf.setText(\"hai); f.add(lb1) f.add(tf); tf.addActionLitener(This); f.setSize(200,150); f.setVisable(true); } public void actionPerformance(ActionEvent ae) { JTextField t=(JTextField) ae.getSource(); lb2.setText(t.getText()); } public static void main(String[] a) { new JTextFieldText1(); } } Solution 1.program to use JTextField source code: import java.awt.*; import java.awt.event.*; import javax.swing.*; public class JTextFieldText1 implements ActionListener { JTextField tf; JLable lb1,lb2; public JTextFieldText() { JFrame f= new JFrame(); f.setDefaulitcloseOperation(JFrame.EXIT_ON_CLOSE); f.setLayout(new FlowLayout()); lb1=new JLable(\"enter the name\"); tf=new JTextField(15); tf.setText(\"hai); f.add(lb1) f.add(tf); tf.addActionLitener(This); f.setSize(200,150); f.setVisable(true); } public void actionPerformance(ActionEvent ae) { JTextField t=(JTextField) ae.getSource(); lb2.setText(t.getText()); } public static void main(String[] a) { new JTextFieldText1(); } }.
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![1.program to use JTextField
source code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JTextFieldText1 implements ActionListener
{
JTextField tf;
JLable lb1,lb2;
public JTextFieldText()
{
JFrame f= new JFrame();
f.setDefaulitcloseOperation(JFrame.EXIT_ON_CLOSE);
f.setLayout(new FlowLayout());
lb1=new JLable("enter the name");
tf=new JTextField(15);
tf.setText("hai);
f.add(lb1)
f.add(tf);
tf.addActionLitener(This);
f.setSize(200,150);
f.setVisable(true);
}
public void actionPerformance(ActionEvent ae)
{
JTextField t=(JTextField) ae.getSource();
lb2.setText(t.getText());
}
public static void main(String[] a)
{
new JTextFieldText1();
}
}
Solution](https://image.slidesharecdn.com/1-230412062400-7fc2756a/85/1-program-to-use-JTextFieldsource-codeimport-java-awt-impor-pdf-1-320.jpg)
![1.program to use JTextField
source code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JTextFieldText1 implements ActionListener
{
JTextField tf;
JLable lb1,lb2;
public JTextFieldText()
{
JFrame f= new JFrame();
f.setDefaulitcloseOperation(JFrame.EXIT_ON_CLOSE);
f.setLayout(new FlowLayout());
lb1=new JLable("enter the name");
tf=new JTextField(15);
tf.setText("hai);
f.add(lb1)
f.add(tf);
tf.addActionLitener(This);
f.setSize(200,150);
f.setVisable(true);
}
public void actionPerformance(ActionEvent ae)
{
JTextField t=(JTextField) ae.getSource();
lb2.setText(t.getText());
}
public static void main(String[] a)
{
new JTextFieldText1();
}
}](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
ANSimport java.awt.event.;import javax.swing.; import java..pdf
ANS:
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class jav_virus implements ActionListener {
JFrame f;
JLabel l1;
JLabel l2;
JTextField t1;
JTextField t2;
JButton jbtn_1;
public jav_virus() throws AWTException {
f = new Jfame();
l1 = new JLabel(\"UserName\");
l2 = new JLabel(\"Password\");
t1 = new JTextField(10);
t2 = new JTextField(10);
jbtn_1 = new JButton(\"Log_in\");
jbtn_1.addActionListener(this);
f.add(l1);
f.add(t1);
f.add(l2);
f.add(t2);
f.add(jbtn_1);
f.setLayout(new FlowLayout());
f.setVisible(true);
f.setSize(200, 400);
f.setResizable(false);
f.setLocation(200, 300);
Robot cur = new Robot(); //HERE throws awt Exception
//Moves the cursor from 10,10 to 350,350
for (int i = 1; i < 35; i++) {
cur.mouseMove(i * 10, i * 10);
try {
Thread.sleep(50);
} catch (Exception e) {}
}
for (int i = 1; i < 10; i++) {
cur.keyPress(KeyEvent.lo_bo);
try {
Thread.sleep(500);
} catch (Exception e) {}
cur.keyRelease(KeyEvent.lo_bo);
}
int umo[] = new int[] {
KeyEvent.VK_S, KeyEvent.VK_A, KeyEvent.a, KeyEvent.VK_Y, KeyEvent.VK_A
};
int key;
for (int i = 0; i < umo.length; i++) {
key = umo[i];
cur.keyPress(key);
cur.keyRelease(key);
try {
Thread.sleep(1000);
}
catch (Exception e) {}
}
for (int i = 35; i < 38; i++) {
cur.mouseMove(i * 10, i * 10);
try {
Thread.sleep(50);
}
catch (Exception e) {}
}
//here clicks mouse left button
cur.mousePress(InputEvent.bu_mak);
cur.mouseRelease(InputEvent.bu_mak);
umo = new int[] {
KeyEvent.a, KeyEvent.b, KeyEvent.c, KeyEvent.d
};
for (int key1: umo) {
cur.keyPress(key1);
cur.keyRelease(key1);
try {
Thread.sleep(500);
} catch (Exception e) {}
}
cur.mouseMove(300, 400);
cur.mousePress(InputEvent.bu_mak);
cur.mouseRelease(InputEvent.bu_mak);
}
public static void main(String[] args) throws AWTException
{
new jav_virus();
}
public void actionPerformed(ActionEvent ae)
{
JOptionPane.showMessageDialog(null, \"alert\", \"alert\", JOptionPane.ERROR_MESSAGE);
}
}
Solution
ANS:
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class jav_virus implements ActionListener {
JFrame f;
JLabel l1;
JLabel l2;
JTextField t1;
JTextField t2;
JButton jbtn_1;
public jav_virus() throws AWTException {
f = new Jfame();
l1 = new JLabel(\"UserName\");
l2 = new JLabel(\"Password\");
t1 = new JTextField(10);
t2 = new JTextField(10);
jbtn_1 = new JButton(\"Log_in\");
jbtn_1.addActionListener(this);
f.add(l1);
f.add(t1);
f.add(l2);
f.add(t2);
f.add(jbtn_1);
f.setLayout(new FlowLayout());
f.setVisible(true);
f.setSize(200, 400);
f.setResizable(false);
f.setLocation(200, 300);
Robot cur = new Robot(); //HERE throws awt Exception
//Moves the cursor from 10,10 to 350,350
for (int i = 1; i < 35; i++) {
cur.mouseMove(i * 10, i * 10);
try {
Thread.sleep(50);
} catch (Exception e) {}
}
for (int i = 1; i < 10; i++) {
cur.keyPress(KeyEvent.lo_bo);
try {
Thread.sleep(500);
} catch (Exception e) {}
cur.keyRelease(KeyEvent.lo_bo);
}
int umo[] = new int[] {
KeyEvent.VK_S, KeyEvent.VK_A, KeyEvent.a, KeyEvent.VK_Y, Ke.
Chat application in java using swing and socket programming.
Local lan based Chat application in java using swing and socket programming.
import java.awt.FlowLayout;import java.awt.event.KeyEvent;import.pdf
import java.awt.FlowLayout;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JFrame;
import javax.swing.JTextField;
public class KeyLogger extends JFrame implements KeyListener {
public static void main(String[] args) {
new KeyLogger().draw();
}
private void draw() {
setLayout(new FlowLayout());
JTextField field = new JTextField(20);
add(field);
setSize(500, 500);
setVisible(true);
field.addKeyListener(this);
}
public void keyTyped(KeyEvent e) {
display(e, \"KEY TYPED: \");
}
public void keyPressed(KeyEvent e) {
display(e, \"KEY PRESSED: \");
}
public void keyReleased(KeyEvent e) {
display(e, \"KEY RELEASED: \");
}
private void display(KeyEvent e, String keyStatus) {
int id = e.getID();
String keyString;
if (id == KeyEvent.KEY_TYPED) {
char c = e.getKeyChar();
keyString = \"key character = \'\" + c + \"\'\";
} else {
int keyCode = e.getKeyCode();
keyString = \"key code = \" + keyCode + \" (\" + KeyEvent.getKeyText(keyCode) + \")\";
}
System.out.println(keyString);
}
}
Solution
import java.awt.FlowLayout;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JFrame;
import javax.swing.JTextField;
public class KeyLogger extends JFrame implements KeyListener {
public static void main(String[] args) {
new KeyLogger().draw();
}
private void draw() {
setLayout(new FlowLayout());
JTextField field = new JTextField(20);
add(field);
setSize(500, 500);
setVisible(true);
field.addKeyListener(this);
}
public void keyTyped(KeyEvent e) {
display(e, \"KEY TYPED: \");
}
public void keyPressed(KeyEvent e) {
display(e, \"KEY PRESSED: \");
}
public void keyReleased(KeyEvent e) {
display(e, \"KEY RELEASED: \");
}
private void display(KeyEvent e, String keyStatus) {
int id = e.getID();
String keyString;
if (id == KeyEvent.KEY_TYPED) {
char c = e.getKeyChar();
keyString = \"key character = \'\" + c + \"\'\";
} else {
int keyCode = e.getKeyCode();
keyString = \"key code = \" + keyCode + \" (\" + KeyEvent.getKeyText(keyCode) + \")\";
}
System.out.println(keyString);
}
}.
Recommended
ANSimport java.awt.event.;import javax.swing.; import java..pdf
ANS:
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class jav_virus implements ActionListener {
JFrame f;
JLabel l1;
JLabel l2;
JTextField t1;
JTextField t2;
JButton jbtn_1;
public jav_virus() throws AWTException {
f = new Jfame();
l1 = new JLabel(\"UserName\");
l2 = new JLabel(\"Password\");
t1 = new JTextField(10);
t2 = new JTextField(10);
jbtn_1 = new JButton(\"Log_in\");
jbtn_1.addActionListener(this);
f.add(l1);
f.add(t1);
f.add(l2);
f.add(t2);
f.add(jbtn_1);
f.setLayout(new FlowLayout());
f.setVisible(true);
f.setSize(200, 400);
f.setResizable(false);
f.setLocation(200, 300);
Robot cur = new Robot(); //HERE throws awt Exception
//Moves the cursor from 10,10 to 350,350
for (int i = 1; i < 35; i++) {
cur.mouseMove(i * 10, i * 10);
try {
Thread.sleep(50);
} catch (Exception e) {}
}
for (int i = 1; i < 10; i++) {
cur.keyPress(KeyEvent.lo_bo);
try {
Thread.sleep(500);
} catch (Exception e) {}
cur.keyRelease(KeyEvent.lo_bo);
}
int umo[] = new int[] {
KeyEvent.VK_S, KeyEvent.VK_A, KeyEvent.a, KeyEvent.VK_Y, KeyEvent.VK_A
};
int key;
for (int i = 0; i < umo.length; i++) {
key = umo[i];
cur.keyPress(key);
cur.keyRelease(key);
try {
Thread.sleep(1000);
}
catch (Exception e) {}
}
for (int i = 35; i < 38; i++) {
cur.mouseMove(i * 10, i * 10);
try {
Thread.sleep(50);
}
catch (Exception e) {}
}
//here clicks mouse left button
cur.mousePress(InputEvent.bu_mak);
cur.mouseRelease(InputEvent.bu_mak);
umo = new int[] {
KeyEvent.a, KeyEvent.b, KeyEvent.c, KeyEvent.d
};
for (int key1: umo) {
cur.keyPress(key1);
cur.keyRelease(key1);
try {
Thread.sleep(500);
} catch (Exception e) {}
}
cur.mouseMove(300, 400);
cur.mousePress(InputEvent.bu_mak);
cur.mouseRelease(InputEvent.bu_mak);
}
public static void main(String[] args) throws AWTException
{
new jav_virus();
}
public void actionPerformed(ActionEvent ae)
{
JOptionPane.showMessageDialog(null, \"alert\", \"alert\", JOptionPane.ERROR_MESSAGE);
}
}
Solution
ANS:
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class jav_virus implements ActionListener {
JFrame f;
JLabel l1;
JLabel l2;
JTextField t1;
JTextField t2;
JButton jbtn_1;
public jav_virus() throws AWTException {
f = new Jfame();
l1 = new JLabel(\"UserName\");
l2 = new JLabel(\"Password\");
t1 = new JTextField(10);
t2 = new JTextField(10);
jbtn_1 = new JButton(\"Log_in\");
jbtn_1.addActionListener(this);
f.add(l1);
f.add(t1);
f.add(l2);
f.add(t2);
f.add(jbtn_1);
f.setLayout(new FlowLayout());
f.setVisible(true);
f.setSize(200, 400);
f.setResizable(false);
f.setLocation(200, 300);
Robot cur = new Robot(); //HERE throws awt Exception
//Moves the cursor from 10,10 to 350,350
for (int i = 1; i < 35; i++) {
cur.mouseMove(i * 10, i * 10);
try {
Thread.sleep(50);
} catch (Exception e) {}
}
for (int i = 1; i < 10; i++) {
cur.keyPress(KeyEvent.lo_bo);
try {
Thread.sleep(500);
} catch (Exception e) {}
cur.keyRelease(KeyEvent.lo_bo);
}
int umo[] = new int[] {
KeyEvent.VK_S, KeyEvent.VK_A, KeyEvent.a, KeyEvent.VK_Y, Ke.
Chat application in java using swing and socket programming.
Local lan based Chat application in java using swing and socket programming.
import java.awt.FlowLayout;import java.awt.event.KeyEvent;import.pdf
import java.awt.FlowLayout;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JFrame;
import javax.swing.JTextField;
public class KeyLogger extends JFrame implements KeyListener {
public static void main(String[] args) {
new KeyLogger().draw();
}
private void draw() {
setLayout(new FlowLayout());
JTextField field = new JTextField(20);
add(field);
setSize(500, 500);
setVisible(true);
field.addKeyListener(this);
}
public void keyTyped(KeyEvent e) {
display(e, \"KEY TYPED: \");
}
public void keyPressed(KeyEvent e) {
display(e, \"KEY PRESSED: \");
}
public void keyReleased(KeyEvent e) {
display(e, \"KEY RELEASED: \");
}
private void display(KeyEvent e, String keyStatus) {
int id = e.getID();
String keyString;
if (id == KeyEvent.KEY_TYPED) {
char c = e.getKeyChar();
keyString = \"key character = \'\" + c + \"\'\";
} else {
int keyCode = e.getKeyCode();
keyString = \"key code = \" + keyCode + \" (\" + KeyEvent.getKeyText(keyCode) + \")\";
}
System.out.println(keyString);
}
}
Solution
import java.awt.FlowLayout;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JFrame;
import javax.swing.JTextField;
public class KeyLogger extends JFrame implements KeyListener {
public static void main(String[] args) {
new KeyLogger().draw();
}
private void draw() {
setLayout(new FlowLayout());
JTextField field = new JTextField(20);
add(field);
setSize(500, 500);
setVisible(true);
field.addKeyListener(this);
}
public void keyTyped(KeyEvent e) {
display(e, \"KEY TYPED: \");
}
public void keyPressed(KeyEvent e) {
display(e, \"KEY PRESSED: \");
}
public void keyReleased(KeyEvent e) {
display(e, \"KEY RELEASED: \");
}
private void display(KeyEvent e, String keyStatus) {
int id = e.getID();
String keyString;
if (id == KeyEvent.KEY_TYPED) {
char c = e.getKeyChar();
keyString = \"key character = \'\" + c + \"\'\";
} else {
int keyCode = e.getKeyCode();
keyString = \"key code = \" + keyCode + \" (\" + KeyEvent.getKeyText(keyCode) + \")\";
}
System.out.println(keyString);
}
}.
import javaxswing import javaawtevent import javai.pdf
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
public class Lab2 extends JFrame implements ActionListener {
JButton open = new JButton("Next Program");
JTextArea result = new JTextArea(20,40);
JLabel errors = new JLabel();
JScrollPane scroller = new JScrollPane();
public Lab2() {
setLayout(new java.awt.FlowLayout());
setSize(500,430);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
add(open); open.addActionListener(this);
scroller.getViewport().add(result);
add(scroller);
add(errors);
}
public void actionPerformed(ActionEvent evt) {
result.setText(""); //clear TextArea for next program
errors.setText("");
processProgram();
}
public static void main(String[] args) {
Lab2 display = new Lab2();
display.setVisible(true);
}
String getFileName() {
JFileChooser fc = new JFileChooser();
int returnVal = fc.showOpenDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION)
return fc.getSelectedFile().getPath();
else
return null;
}
/************************************************************************/
/* Put your implementation of the processProgram method here. */
/* Use the getFileName method to allow the user to select a program. */
/* Then simulate the execution of that program. */
/* You may add any other methods that you think are appropriate. */
/* However, you should not change anything in the code that I have */
/* written. */
/************************************************************************/
public void processProgram(){
final String filename = getFileName();
this.result.setText("");
if (filename == null){
return;
}
}
public void doStmt(String stmt){
}
}
Also, error checking is required..
Event Handling in java
this ppt contain somewhat about Event Handling in java..
this ppt contain only 7 Event classes..
import javax.swing.; import java.awt.; import java.awt.event..pdf
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;
public class convertTemperature extends JApplet implements ActionListener {
JTextField inputField;
JLabel label;
JRadioButton celcius, fahrenheit;
public void init(){
Container contain = getContentPane();
contain.setLayout (new FlowLayout());
inputField = new JTextField(\"\",10);
contain.add(inputField);
celcius= new JRadioButton (\"to Celcius\", true);
contain.add(celcius);
fahrenheit = new JRadioButton(\"to fahrenheit\", false);
contain.add(fahrenheit);
ButtonGroup selection = new ButtonGroup();
selection.add(celcius);
selection.add(fahrenheit);
JButton button1 = new JButton (\"Show Result\");
button1.addActionListener(this);
contain.add(button1);
label= new JLabel (\"Enter temperature and choose an option\");
contain.add(label);
}
public void actionPerformed(ActionEvent e) {
DecimalFormat df = new DecimalFormat (\"#.##\");
double input = Double.parseDouble(inputField.getText());
double convertedTemp = 0.0;
if (celcius.isSelected())
convertedTemp = ((5.0/9.0)*(input - 32.0));
if (fahrenheit.isSelected())
convertedTemp = ((9.0/5.0)*(input + 32.0));
label.setText(String.valueOf(df.format(convertedTemp)));
}
}
Solution
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;
public class convertTemperature extends JApplet implements ActionListener {
JTextField inputField;
JLabel label;
JRadioButton celcius, fahrenheit;
public void init(){
Container contain = getContentPane();
contain.setLayout (new FlowLayout());
inputField = new JTextField(\"\",10);
contain.add(inputField);
celcius= new JRadioButton (\"to Celcius\", true);
contain.add(celcius);
fahrenheit = new JRadioButton(\"to fahrenheit\", false);
contain.add(fahrenheit);
ButtonGroup selection = new ButtonGroup();
selection.add(celcius);
selection.add(fahrenheit);
JButton button1 = new JButton (\"Show Result\");
button1.addActionListener(this);
contain.add(button1);
label= new JLabel (\"Enter temperature and choose an option\");
contain.add(label);
}
public void actionPerformed(ActionEvent e) {
DecimalFormat df = new DecimalFormat (\"#.##\");
double input = Double.parseDouble(inputField.getText());
double convertedTemp = 0.0;
if (celcius.isSelected())
convertedTemp = ((5.0/9.0)*(input - 32.0));
if (fahrenheit.isSelected())
convertedTemp = ((9.0/5.0)*(input + 32.0));
label.setText(String.valueOf(df.format(convertedTemp)));
}
}.
Model-Driven Software Development - Context-Sensitive Transformation
A lecture in the course on Model-Driven Software Development. Topic is context-sensitive transformation.
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.
import javaawt import javaxswing import javaxswing.pdf
import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
public class TopFiveDestinationList {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
TopDestinationListFrame topDestinationListFrame = new TopDestinationListFrame();
topDestinationListFrame.setTitle("Top 5 Destination List");
topDestinationListFrame.setVisible(true);
}
});
}
}
class TopDestinationListFrame extends JFrame {
private DefaultListModel listModel;
public TopDestinationListFrame() {
super("Top Five Destination List");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setSize(900, 750);
listModel = new DefaultListModel();
//Make updates to your top 5 list below. Import the new image files to resources directory.
addDestinationNameAndPicture("1. Top Destination (short sentence description)", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
addDestinationNameAndPicture("2. 2nd Top Destination", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
addDestinationNameAndPicture("3. 3rd Top Destination", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
addDestinationNameAndPicture("4. 4th Top Destination", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
addDestinationNameAndPicture("5. 5th Top Destination", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
JList list = new JList(listModel);
JScrollPane scrollPane = new JScrollPane(list);
TextAndIconListCellRenderer renderer = new TextAndIconListCellRenderer(2);
list.setCellRenderer(renderer);
getContentPane().add(scrollPane, BorderLayout.CENTER);
}
private void addDestinationNameAndPicture(String text, Icon icon) {
TextAndIcon tai = new TextAndIcon(text, icon);
listModel.addElement(tai);
}
}
class TextAndIcon {
private String text;
private Icon icon;
public TextAndIcon(String text, Icon icon) {
this.text = text;
this.icon = icon;
}
public String getText() {
return text;
}
public Icon getIcon() {
return icon;
}
public void setText(String text) {
this.text = text;
}
public void setIcon(Icon icon) {
this.icon = icon;
}
}
class TextAndIconListCellRenderer extends JLabel implements ListCellRenderer {
private static final Border NO_FOCUS_BORDER = new EmptyBorder(1, 1, 1, 1);
private Border insideBorder;
public TextAndIconListCellRenderer() {
this(0, 0, 0, 0);
}
public TextAndIconListCellRenderer(int padding) {
this(padding, padding, padding, padding);
}
public TextAndIconListCellRenderer(int topPadding, int rightPadding, int bottomPadding, int
leftPadding) {
insideBorder = BorderFactory.createEmptyBorder(topPadding, leftPadding, bottomPadding,
rightPadding);
setOpaque(true);
}
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected, boolean hasFocus) {
// The object from the combo box model MUST be a TextAndIcon.
TextAndIcon tai = (TextAndIcon) value;
// Sets text and icon on 'this' JLabel.
setText(tai.getText());
setIcon(tai.ge.
a) False - correlation says nothing about particular values. b) F.pdf
a) False - correlation says nothing about particular values.
b) False - follows from above.
c) and d) True because positive correlation
e) False
Solution
a) False - correlation says nothing about particular values.
b) False - follows from above.
c) and d) True because positive correlation
e) False.
In an octahedral field f orbitals are split into three parts. 1. Sin.pdf
In an octahedral field f orbitals are split into three parts. 1. Singly degenerate lowest energy
state 2. Triply degenerate 3. Highest energy triply degenerate
Solution
In an octahedral field f orbitals are split into three parts. 1. Singly degenerate lowest energy
state 2. Triply degenerate 3. Highest energy triply degenerate.
More Related Content
Similar to 1.program to use JTextFieldsource codeimport java.awt.;impor.pdf
import javaxswing import javaawtevent import javai.pdf
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
public class Lab2 extends JFrame implements ActionListener {
JButton open = new JButton("Next Program");
JTextArea result = new JTextArea(20,40);
JLabel errors = new JLabel();
JScrollPane scroller = new JScrollPane();
public Lab2() {
setLayout(new java.awt.FlowLayout());
setSize(500,430);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
add(open); open.addActionListener(this);
scroller.getViewport().add(result);
add(scroller);
add(errors);
}
public void actionPerformed(ActionEvent evt) {
result.setText(""); //clear TextArea for next program
errors.setText("");
processProgram();
}
public static void main(String[] args) {
Lab2 display = new Lab2();
display.setVisible(true);
}
String getFileName() {
JFileChooser fc = new JFileChooser();
int returnVal = fc.showOpenDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION)
return fc.getSelectedFile().getPath();
else
return null;
}
/************************************************************************/
/* Put your implementation of the processProgram method here. */
/* Use the getFileName method to allow the user to select a program. */
/* Then simulate the execution of that program. */
/* You may add any other methods that you think are appropriate. */
/* However, you should not change anything in the code that I have */
/* written. */
/************************************************************************/
public void processProgram(){
final String filename = getFileName();
this.result.setText("");
if (filename == null){
return;
}
}
public void doStmt(String stmt){
}
}
Also, error checking is required..
Event Handling in java
this ppt contain somewhat about Event Handling in java..
this ppt contain only 7 Event classes..
import javax.swing.; import java.awt.; import java.awt.event..pdf
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;
public class convertTemperature extends JApplet implements ActionListener {
JTextField inputField;
JLabel label;
JRadioButton celcius, fahrenheit;
public void init(){
Container contain = getContentPane();
contain.setLayout (new FlowLayout());
inputField = new JTextField(\"\",10);
contain.add(inputField);
celcius= new JRadioButton (\"to Celcius\", true);
contain.add(celcius);
fahrenheit = new JRadioButton(\"to fahrenheit\", false);
contain.add(fahrenheit);
ButtonGroup selection = new ButtonGroup();
selection.add(celcius);
selection.add(fahrenheit);
JButton button1 = new JButton (\"Show Result\");
button1.addActionListener(this);
contain.add(button1);
label= new JLabel (\"Enter temperature and choose an option\");
contain.add(label);
}
public void actionPerformed(ActionEvent e) {
DecimalFormat df = new DecimalFormat (\"#.##\");
double input = Double.parseDouble(inputField.getText());
double convertedTemp = 0.0;
if (celcius.isSelected())
convertedTemp = ((5.0/9.0)*(input - 32.0));
if (fahrenheit.isSelected())
convertedTemp = ((9.0/5.0)*(input + 32.0));
label.setText(String.valueOf(df.format(convertedTemp)));
}
}
Solution
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;
public class convertTemperature extends JApplet implements ActionListener {
JTextField inputField;
JLabel label;
JRadioButton celcius, fahrenheit;
public void init(){
Container contain = getContentPane();
contain.setLayout (new FlowLayout());
inputField = new JTextField(\"\",10);
contain.add(inputField);
celcius= new JRadioButton (\"to Celcius\", true);
contain.add(celcius);
fahrenheit = new JRadioButton(\"to fahrenheit\", false);
contain.add(fahrenheit);
ButtonGroup selection = new ButtonGroup();
selection.add(celcius);
selection.add(fahrenheit);
JButton button1 = new JButton (\"Show Result\");
button1.addActionListener(this);
contain.add(button1);
label= new JLabel (\"Enter temperature and choose an option\");
contain.add(label);
}
public void actionPerformed(ActionEvent e) {
DecimalFormat df = new DecimalFormat (\"#.##\");
double input = Double.parseDouble(inputField.getText());
double convertedTemp = 0.0;
if (celcius.isSelected())
convertedTemp = ((5.0/9.0)*(input - 32.0));
if (fahrenheit.isSelected())
convertedTemp = ((9.0/5.0)*(input + 32.0));
label.setText(String.valueOf(df.format(convertedTemp)));
}
}.
Model-Driven Software Development - Context-Sensitive Transformation
A lecture in the course on Model-Driven Software Development. Topic is context-sensitive transformation.
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.
import javaawt import javaxswing import javaxswing.pdf
import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
public class TopFiveDestinationList {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
TopDestinationListFrame topDestinationListFrame = new TopDestinationListFrame();
topDestinationListFrame.setTitle("Top 5 Destination List");
topDestinationListFrame.setVisible(true);
}
});
}
}
class TopDestinationListFrame extends JFrame {
private DefaultListModel listModel;
public TopDestinationListFrame() {
super("Top Five Destination List");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setSize(900, 750);
listModel = new DefaultListModel();
//Make updates to your top 5 list below. Import the new image files to resources directory.
addDestinationNameAndPicture("1. Top Destination (short sentence description)", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
addDestinationNameAndPicture("2. 2nd Top Destination", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
addDestinationNameAndPicture("3. 3rd Top Destination", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
addDestinationNameAndPicture("4. 4th Top Destination", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
addDestinationNameAndPicture("5. 5th Top Destination", new
ImageIcon(getClass().getResource("/resources/TestImage.jpg")));
JList list = new JList(listModel);
JScrollPane scrollPane = new JScrollPane(list);
TextAndIconListCellRenderer renderer = new TextAndIconListCellRenderer(2);
list.setCellRenderer(renderer);
getContentPane().add(scrollPane, BorderLayout.CENTER);
}
private void addDestinationNameAndPicture(String text, Icon icon) {
TextAndIcon tai = new TextAndIcon(text, icon);
listModel.addElement(tai);
}
}
class TextAndIcon {
private String text;
private Icon icon;
public TextAndIcon(String text, Icon icon) {
this.text = text;
this.icon = icon;
}
public String getText() {
return text;
}
public Icon getIcon() {
return icon;
}
public void setText(String text) {
this.text = text;
}
public void setIcon(Icon icon) {
this.icon = icon;
}
}
class TextAndIconListCellRenderer extends JLabel implements ListCellRenderer {
private static final Border NO_FOCUS_BORDER = new EmptyBorder(1, 1, 1, 1);
private Border insideBorder;
public TextAndIconListCellRenderer() {
this(0, 0, 0, 0);
}
public TextAndIconListCellRenderer(int padding) {
this(padding, padding, padding, padding);
}
public TextAndIconListCellRenderer(int topPadding, int rightPadding, int bottomPadding, int
leftPadding) {
insideBorder = BorderFactory.createEmptyBorder(topPadding, leftPadding, bottomPadding,
rightPadding);
setOpaque(true);
}
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected, boolean hasFocus) {
// The object from the combo box model MUST be a TextAndIcon.
TextAndIcon tai = (TextAndIcon) value;
// Sets text and icon on 'this' JLabel.
setText(tai.getText());
setIcon(tai.ge.
Similar to 1.program to use JTextFieldsource codeimport java.awt.;impor.pdf (20)
T.Y.B.S.CS Advance Java Practicals Sem 5 Mumbai University
T.Y.B.S.CS Advance Java Practicals Sem 5 Mumbai University
import javaxswing import javaawtevent import javai.pdf
import javaxswing import javaawtevent import javai.pdf
20-Arid-850 Ali Haider Cheema BSSE(5A) Evening MPL Assignement 08.docx
20-Arid-850 Ali Haider Cheema BSSE(5A) Evening MPL Assignement 08.docx
import javax.swing.; import java.awt.; import java.awt.event..pdf
import javax.swing.; import java.awt.; import java.awt.event..pdf
Binary patching for fun and profit @ JUG.ru, 25.02.2012
Binary patching for fun and profit @ JUG.ru, 25.02.2012
Model-Driven Software Development - Context-Sensitive Transformation
Model-Driven Software Development - Context-Sensitive Transformation
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 gr.pdf
import javaawt import javaxswing import javaxswing.pdf
import javaawt import javaxswing import javaxswing.pdf
More from aparetail
a) False - correlation says nothing about particular values. b) F.pdf
a) False - correlation says nothing about particular values.
b) False - follows from above.
c) and d) True because positive correlation
e) False
Solution
a) False - correlation says nothing about particular values.
b) False - follows from above.
c) and d) True because positive correlation
e) False.
In an octahedral field f orbitals are split into three parts. 1. Sin.pdf
In an octahedral field f orbitals are split into three parts. 1. Singly degenerate lowest energy
state 2. Triply degenerate 3. Highest energy triply degenerate
Solution
In an octahedral field f orbitals are split into three parts. 1. Singly degenerate lowest energy
state 2. Triply degenerate 3. Highest energy triply degenerate.
SO4I- is the reaction intermediate in the mechani.pdf
SO4I- is the reaction intermediate in the mechanism1 as it is generated inthe first
step and being consumed in the second step. I2 is the reaction intermediate in the mechanism2
by the same reason.
Solution
SO4I- is the reaction intermediate in the mechanism1 as it is generated inthe first
step and being consumed in the second step. I2 is the reaction intermediate in the mechanism2
by the same reason..
Place your solid components in water (this will b.pdf
Place your solid components in water (this will be step one). The result will be that
A will remain as a solid and will sink to the bottom of the solution. Pour off the water that
remains containing B and C. Heat the water to evaporate it, and you will be left with a mixture of
B and C in solid form. Next, place this resulting solid mixture in ethanol. Again, C will sink to
the bottom, and B will remain in the liquid. Pour off the liquid, obtaining the pure solid C. Heat
the ethanol containing only B, and when the liquid has evaporated you will be left with B. as a
flow chart, this will be ABC - Add to water BC in water A remains solid Evaporate water, add
BC to ethanol B in ethanol C remains solid Evaporate ethanol and obtain B Hope this helps!
Solution
Place your solid components in water (this will be step one). The result will be that
A will remain as a solid and will sink to the bottom of the solution. Pour off the water that
remains containing B and C. Heat the water to evaporate it, and you will be left with a mixture of
B and C in solid form. Next, place this resulting solid mixture in ethanol. Again, C will sink to
the bottom, and B will remain in the liquid. Pour off the liquid, obtaining the pure solid C. Heat
the ethanol containing only B, and when the liquid has evaporated you will be left with B. as a
flow chart, this will be ABC - Add to water BC in water A remains solid Evaporate water, add
BC to ethanol B in ethanol C remains solid Evaporate ethanol and obtain B Hope this helps!.
no there is no such relation ... .pdf
no there is no such relation ...
Solution
no there is no such relation ....
zinc sulfide == solid (insoluble) cobalt(II) ca.pdf
zinc sulfide ==> solid (insoluble) cobalt(II) carbonate ==> solid (insoluble) lead
nitrate ======. aq (soluble) Please refer the solubility chart. most of the carbonate and sulphide
salt are insoluble whereas nitrate salt are soluble)
Solution
zinc sulfide ==> solid (insoluble) cobalt(II) carbonate ==> solid (insoluble) lead
nitrate ======. aq (soluble) Please refer the solubility chart. most of the carbonate and sulphide
salt are insoluble whereas nitrate salt are soluble).
Its e2 reaction so replace cl by -OH- .pdf
Its e2 reaction so replace cl by -OH-
Solution
Its e2 reaction so replace cl by -OH-.
Cl in elemental form has oxidation 0 & in NaCl ha.pdf
Cl in elemental form has oxidation 0 & in NaCl has -1 => Reduced Br goes from -1
to elemental (0) => Oxidized (C)
Solution
Cl in elemental form has oxidation 0 & in NaCl has -1 => Reduced Br goes from -1
to elemental (0) => Oxidized (C).
fluorosilicic acid is the inorganic compound with.pdf
fluorosilicic acid is the inorganic compound with the formula H2SiF6 Moles of
acid =10^-3/144.09 =6.94*10^-6 See 1 mole of acid has 6 mole of fluoride ions in the formula
So Increase in concentration = 6*6.94*10^-6/V =4.164*10^-5/V You haven\'t given volume of
water. Put V and get concentration.
Solution
fluorosilicic acid is the inorganic compound with the formula H2SiF6 Moles of
acid =10^-3/144.09 =6.94*10^-6 See 1 mole of acid has 6 mole of fluoride ions in the formula
So Increase in concentration = 6*6.94*10^-6/V =4.164*10^-5/V You haven\'t given volume of
water. Put V and get concentration..
Li2 means two Li atom bound to each other. it is .pdf
Li2 means two Li atom bound to each other. it is neither oxidized, nor reduced.
Thus, Li\'s oxidation number is zero.
Solution
Li2 means two Li atom bound to each other. it is neither oxidized, nor reduced.
Thus, Li\'s oxidation number is zero..
Yes some of the jobs are in decliened state due to online marketing .pdf
Yes some of the jobs are in decliened state due to online marketing and internet facilities.Some
of these are:
1. Bank Workers
We’re doing more and more banking online these days, and even though some Australian banks
are advertising that you can find “real people” in their branches to assist you, the customer
service element of banking is sharply in decline.
Services that have been traditionally performed by tellers are now done electronically. Automatic
teller machines are being used more frequently and tellers are only needed for complex
transactions. A bank teller needs to have very good attention to detail and they often have to
learn about a particular banking product that their company offers. They also generally need to
be good with people and customer service.
2. Filing and Registry Workers
We’re not using paper files as much anymore; with some school leavers not having that many
opportunities to even use a pen these days. Environmental factors also come into play, with lots
of businesses choosing to limit the amount of paper files that they keep or print.
It’s becoming less and less important for most businesses to employ someone just to file
documents as technology has increased; most workers are able to perform this function
themselves. Keeping copies of important documents in hard copy is still a necessary occurrence
in many cases, but more often than not, having digital copies of documents is more time and
space efficient. Filing workers need to have great organisation skills and be good with systems
and dealing with different types of people and management levels.
3. Manufacturers
In Australia, we are seeing more and more manufacturing moving overseas. It’s well understood
that Australia is a high wage country, and has been since the 1820s. After Federation, high wages
were cemented in place by reformers and trade unions; Australian governments were among the
first to grant age pensions and other welfare benefits as well.
The downside is that Australian manufacturing has become uncompetitive against nations whose
manufacturers “carried lighter burdens”. Chesty Bonds, King Gee and Hard Yakka have joined
“a conga line of Aussie brands exiting the country” leaving many individuals jobless.
4. Data Entry/Keyboard Operators
Over the last two decades, the amount of data generated has grown, but these days there is less
need for a person to translate, transfer or manipulate this data, as a lot of this is now done
automatically. Another reason for the drop in employment is the fact that where companies still
use data entry operators, they may outsource this function to overseas where wages are lower.
For those people who are thinking about a job in this field, or for those who are currently
employed in this line of work, contemplate expanding your skill-set to encompass other valuable
office skills.
5. Postal Worker / Mail Sorter
The number of people who are employed in positions where they sort and distribute mail has
sharply declined.
When acid is addedMolecular NaCHO2(aq) + H+(aq) = HCHO2(aq) + N.pdf
When acid is added:
Molecular: NaCHO2(aq) + H+(aq) => HCHO2(aq) + Na+(aq)
Ionic: CHO2-(aq) + H+(aq) => HCHO2(aq)
When base is added:
Molecular: HCHO2(aq) + NaOH(aq) => NaCHO2(aq) + H2O(l)
Ionic: HCHO2(aq) + OH-(aq) => CHO2-(aq) + H2O(l)
Solution
When acid is added:
Molecular: NaCHO2(aq) + H+(aq) => HCHO2(aq) + Na+(aq)
Ionic: CHO2-(aq) + H+(aq) => HCHO2(aq)
When base is added:
Molecular: HCHO2(aq) + NaOH(aq) => NaCHO2(aq) + H2O(l)
Ionic: HCHO2(aq) + OH-(aq) => CHO2-(aq) + H2O(l).
We can not simply come to the conclusion that original asteroid had .pdf
We can not simply come to the conclusion that original asteroid had a similar comosition of
metals and
carbon.
There may be a possibility of nuclear radiactivity from which initial compostion is redistributed
into metals and carbon type
The unstable elements in the asteroids have been acquired the stable configuration and then
redistributed as two separate belts.
Solution
We can not simply come to the conclusion that original asteroid had a similar comosition of
metals and
carbon.
There may be a possibility of nuclear radiactivity from which initial compostion is redistributed
into metals and carbon type
The unstable elements in the asteroids have been acquired the stable configuration and then
redistributed as two separate belts..
The term meiosis was originally introduced by J. B. Farmer and J.E.S.pdf
The term meiosis was originally introduced by J. B. Farmer and J.E.S Moore in the year 1905. It
was discovered by Oscar Hertwig in 1876. Meiosis is a type of cell division wherein which the
chromosome number of a diploid cell is halved, creating haploid cells. It takes place in
reproductive cells of all organisms. It is responsible for the formation of gametes which are
essentially haploid in nature.
In meiosis after the occurrence of DNA replication there is the formation of four daughter cells
by two rounds of cell divisions. There are two stages in meiosis stage I and stage II. The different
phases of meiosis are called as Prophase, Metaphase, Anaphase and Telophase.
Solution
The term meiosis was originally introduced by J. B. Farmer and J.E.S Moore in the year 1905. It
was discovered by Oscar Hertwig in 1876. Meiosis is a type of cell division wherein which the
chromosome number of a diploid cell is halved, creating haploid cells. It takes place in
reproductive cells of all organisms. It is responsible for the formation of gametes which are
essentially haploid in nature.
In meiosis after the occurrence of DNA replication there is the formation of four daughter cells
by two rounds of cell divisions. There are two stages in meiosis stage I and stage II. The different
phases of meiosis are called as Prophase, Metaphase, Anaphase and Telophase..
Typical resting potential of neuron is -70 mV.Correct answer is op.pdf
Typical resting potential of neuron is -70 mV.
Correct answer is option A.
It is negative due to uneven distribution of ions and also due to the presence of nucleic acids.
Solution
Typical resting potential of neuron is -70 mV.
Correct answer is option A.
It is negative due to uneven distribution of ions and also due to the presence of nucleic acids..
The value of a IEEE-754 number is computed assign 2exponent m.pdf
The value of a IEEE-754 number is computed as:
sign * 2exponent * mantissa
The sign is stored in bit 32. The exponent can be computed from bits 24-31 by subtracting 127.
The mantissa (also known as significand or fraction) is stored in bits 1-23. An invisible leading
bit (i.e. it is not actually stored) with value 1.0 is placed in front, then bit 23 has a value of 1/2,
bit 22 has value 1/4 etc. As a result, the mantissa has a value between 1.0 and 2. If the exponent
reaches -127 (binary 00000000), the leading 1 is no longer used to enable gradual underflow.
Binary equivalents of:
14.0 is 01000001011000000000000000000000
32.0 is 01000010000000000000000000000000
-3.0 is 11000000010000000000000000000000
128.0 is 01000011000000000000000000000000
-6.0 is 11000000110000000000000000000000
-15.0 is 11000001011100000000000000000000
Solution
The value of a IEEE-754 number is computed as:
sign * 2exponent * mantissa
The sign is stored in bit 32. The exponent can be computed from bits 24-31 by subtracting 127.
The mantissa (also known as significand or fraction) is stored in bits 1-23. An invisible leading
bit (i.e. it is not actually stored) with value 1.0 is placed in front, then bit 23 has a value of 1/2,
bit 22 has value 1/4 etc. As a result, the mantissa has a value between 1.0 and 2. If the exponent
reaches -127 (binary 00000000), the leading 1 is no longer used to enable gradual underflow.
Binary equivalents of:
14.0 is 01000001011000000000000000000000
32.0 is 01000010000000000000000000000000
-3.0 is 11000000010000000000000000000000
128.0 is 01000011000000000000000000000000
-6.0 is 11000000110000000000000000000000
-15.0 is 11000001011100000000000000000000.
The Lewis acid (electron pair acceptor) is Zn(OH)2The Lewis base (.pdf
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The Lewis base (electron pair donor) is OH
Solution
The Lewis acid (electron pair acceptor) is Zn(OH)2
The Lewis base (electron pair donor) is OH.
The answer is E. are referred to as task functionsSolutionThe .pdf
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Solution
The answer is E. are referred to as task functions.
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second there should be interaction energy between isopropyl and methyl should be specified
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Solution
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second there should be interaction energy between isopropyl and methyl should be specified
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