import java.util.LinkedList;import java.util.Scanner;public cla.pdf
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import java.util.LinkedList; import java.util.Scanner; public class Agency { private Administrator loggedInUser; private Destinations destinations; private Flights flights; private Administrators admins; public Agency() { admins = new Administrators(); admins.insertDummyData(); destinations = new Destinations(this); flights = new Flights(this); } public Destinations getDestinations() { return destinations; } public Flights getFlights() { return flights; } public void login() { Scanner scanner = new Scanner(System.in); boolean loggedIn = false; while (!loggedIn) { System.out.print("Username: "); String username = scanner.nextLine(); System.out.print("Password: "); String password = scanner.nextLine(); if (admins.validateCredentials(username, password)) { loggedIn = true; loggedInUser = new Administrator(admins.getAdminName(username), username, password); mainMenu(scanner); } else { System.out.println("Invalid Credentials! Try Again."); } } } public void destinationsMenu(Scanner scanner) { System.out.println("Welcome to the Destinations section " + loggedInUser.getName() + ", Please make a selection from the menu:"); while (true) { System.out.println("1. View All Destinations"); System.out.println("2. View Destinations by Country"); System.out.println("3. Add a Destination"); System.out.println("4. Remove a Destination"); System.out.println("X. Return to Main Menu"); System.out.print("Please enter an option: "); String option = scanner.nextLine(); switch (option) { case "1": destinations.displayAllDestinations(); break; case "2": break; case "3": break; case "4": break; case "X": mainMenu(scanner); return; default: System.out.println("Please enter a valid choice, or press X to exit."); } } } public void mainMenu(Scanner scanner) { System.out.println("Welcome to the Prog2 Travel Agency " + loggedInUser.getName() + ", Please make a selection from the menu:"); while (true) { System.out.println("1. Explore Flights"); System.out.println("2. Explore Destinations"); System.out.println("3. Book a Trip"); System.out.println("X. Exit the System"); System.out.print("Please enter an option: "); String option = scanner.nextLine(); switch (option) { case "1": break; case "2": destinationsMenu(scanner); break; case "3": break; case "X": System.out.println("Thanks for using the Prog2 Travel Agency."); System.exit(0); default: System.out.println("Please enter a valid choice, or press X to exit."); } } } public static void main(String[] args) { Agency agency = new Agency(); agency.login(); } } public class Destination { private String country; private String name; public Destination(String name, String country) { this.name = name; this.country = country; } public String getCountry() { return country; } public String getName() { return name; } } import java.util.LinkedList; public class Destinations { private LinkedList destinations; private Agency agency; public Destinations(Agency agency) { this.agency = agency; destinations = new LinkedList<>(); destinations.a.
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Quest 1 define a class batsman with the following specifications
The document defines several Java classes with private and public members to model different real-world entities. This includes classes for batsmen (with code, name, stats, and average calculation), tests (with code, description, candidates, and center calculation), flights (with number, destination, distance, and fuel calculation), books (with number, title, price, purchase calculation), reports (with admission, name, marks, and average calculation), students (with admission, name, subjects, and total calculation), and telephone bills (with readings, calls, name, charges and calculation). Public member functions allow entering and displaying data, while private functions perform calculations.
JAVA.Q4 Create a Time class. This class will represent a point in.pdf
JAVA.
Q4: Create a Time class. This class will represent a point in time, such as a departure time. It
should contain 2 constructors, 2 instance variables (hour and minute), and 10 methods (see
below). All methods but toString should be in terms of the 24 hour format. [30 points]
default constructor: Creates a Time object for 12:00AM.
overloaded constructor: Creates a Time object at a specific hour and minute.
getHour(): Returns an integer representing the hour of the Time object.
getMinute(): Returns an integer representing the minute of the Time object.
addHours(...): Updates the object by moving it forward a number of hours.
addMinute(...): Updates the object by moving it forward a number of minutes. (Hint: Be careful
that you don\'t allow minutes to be more than 59.)
addTime(...): Updates the object by moving it forward by the hour and minute from another
Time object.
getCopy(...): Returns a new Time object that has the same hour and minute of the existing Time
object.
isEarlierThan(...): Returns true if this Time object is earlier than another Time object.
isSameTime(...): Returns true if this Time object is the same as another Time object.
isLaterThan(...): Returns true if this Time object is later than another Time object.
toString(): Returns a string representing the Time object. Uses 12 hour AM/PM format and pads
minutes to be two digits. See the sample output for an example.
Q5: Create a Flight class that uses the Plane and Time class. This class will represent a flight
between two airports, using a specific Plane, and departing at a specific Time. It should contain a
constructor, 7 instance variables (plane, flight number, cost, departure, duration, source,
destination), and 9 methods (see below). [25 points]
overloaded constructor: Creates a Flight object that is setup up with a Plane, a flight number, a
cost, a departure Time, a duration time, a source Airport, and a destination Airport.
getPlane(): Returns the Plane that operates this flight.
getNumber(): Returns the flight number.
getCost(): Returns the flight cost.
getDestination(): Returns the destination Airport.
getDeparture(): Returns the departure Time.
getArrival(): Returns a Time object with the arrival time (computed from the departure time and
duration).
getSource(): Returns a Airport object for the departure location.
toOverviewString(): Returns a String representing an overview of the flight. Use NumberFormat
to display the price. See the sample output for an example.
toDetailedString(): Returns a String representing the flight\'s detail information. See the sample
output for an example.
Included below is an overall UML diagram that describes the three classes you will be
constructing. It provides a useful summary of all of the methods you are expected to implement,
and their corresponding types and visibility. Notice that one private method is listed here
(formatDigits in Time) that isn\'t mentioned above. This is a method that was in our solution, you
may not need.
There is something wrong with my program-- (once I do a for view all t.pdf
There is something wrong with my program.. (once I do a for view all this is the outcome in the
console...(carnea:Name: carnea, Address: 30 repeated..) why is this?
import java.util.Scanner;
public class AddressBook {
public static void main(String[] args) {
Tablea addressBook = new Tablea();
Scanner scanner = new Scanner(System.in);
String name, address;
String action = null;
boolean moreEntries = true;
while (moreEntries) {
System.out.println("/nMenu");
System.out.println("n.Add Entry");
System.out.println("d. Delete Entry");
System.out.println("u. Update Entry");
System.out.println("l. Search");
System.out.println("a. View All");
System.out.println("q. Exit");
action = scanner.nextLine();
// Insert a new entry into the address book
switch (action) {
case "n":
System.out.print("Enter a name: ");
name = scanner.nextLine();
System.out.print("Enter an address: ");
address = scanner.nextLine();
addressBook.insert(name, address);
System.out.println("New Contact has been added,");
break;
// Delete an entry from the address book
case "d":
System.out.println("Enter a name to delete: ");
name = scanner.nextLine();
boolean deleted = addressBook.delete(name);
if (deleted) {
System.out.println("Address deleted");
} else {
System.out.println("Name not found");
}
break;
// Update an entry in the address book
case "u":
System.out.print("Enter a name to update: ");
name = scanner.nextLine();
System.out.print("Enter a new address: ");
address = scanner.nextLine();
boolean updated = addressBook.update(name, address);
if (updated) {
System.out.println("Address updated");
} else {
System.out.println("Name not found");
}
break;
// Lookup an entry in the address book
case "l":
System.out.print("Enter a name to look up: ");
name = scanner.nextLine();
String result = addressBook.lookUp(name);
if (result != null) {
System.out.println("Address: " + result);
} else {
System.out.println("Name not found");
}
break;
// Display all entries in the address book
case "a":
System.out.println("All entries:");
addressBook.displayAll();
break;
// Quit the program
case"q":
System.out.println("Quitting...");
}
}
}
}
public class Node {
private String name;
private String address;
private Node next;
public Node(String name, String address) {
// add here ..
this.name = name;
this.address = address;
}
public String getName() {
// add here ..
return this.name;
}
public void setName(String name) {
// add here ..
this.name = name;
}
public String getAddress() {
// add here ..
return this.address;
}
public void setAddress(String address) {
// add here ..
this.address = address;
}
public Node getNext() {
// add here ..
return this.next;
}
public String toString() {
return "Name: "+ name +", Address:" +address;
}
public void setNext(Node node) {
// add here ..
this.next = next;
}
public void setAddress (Object newValue) {
this.address = address;
}
public void setName(Object newValue) {
this.name = name;
}
}
import java.util.Scanner;
public class Tablea {
private Node mark;
public Node get.
Creating a Facebook Clone - Part XLVI - Transcript.pdf
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AJUG April 2011 Cascading example
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TypeScript Introduction
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JAVA...With N.E.T_B.E.A.N.S___________________________________.pdf
JAVA...W\'i\'t\'h
N.E.T_B.E.A.N.S_______________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
____________________________________________________
***********Product*********************
package rooster.nest;
import java.text.NumberFormat;
public class Product {
private long id;
private String code;
private String description;
private double price;
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getDescription() {
return description;
}
public void setDescription(String name) {
this.description = name;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public String getPriceFormatted() {
NumberFormat currencyFormatter =
NumberFormat.getCurrencyInstance();
return currencyFormatter.format(getPrice());
}
}
********DBException************
package crows.foot;
/*
* This is just a wrapper class so we can throw a common exception for
* the UI to catch without tightly coupling the UI to the database layer.
*/
public class DBException extends Exception {
DBException() {}
DBException(Exception e) {
super(e);
}
}
*******DBUtil************
package crows.foot;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DBUtil {
private static Connection connection;
private DBUtil() {}
public static synchronized Connection getConnection() throws DBException {
if (connection != null) {
return connection;
}
else {
try {
// set the db url, username, and password
String url = \"jdbc:mysql://localhost:3306/mma\";
String username = \"mma_user\";
String password = \"sesame\";
// get and return connection
connection = DriverManager.getConnection(
url, username, password);
return connection;
} catch (SQLException e) {
throw new DBException(e);
}
}
}
public static synchronized void closeConnection() throws DBException {
if (connection != null) {
try {
connection.close();
} catch (SQLException e) {
throw new DBException(e);
} finally {
connection = null;
}
}
}
}
*************ProductDB**************
package crows.foot;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import rooster.nest.Product;
public class ProductDB {
private static Product getProductFromRow(ResultSet rs) throws SQLException {
int productID = rs.getInt(1);
String code = rs.getString(2);
String description = rs.getString(3);
double price = rs.getDouble(4);
String note = rs.getString(5);
Product p = new Product();
p.setId(productID);
p.setCode(code);
p.setDescription(description);
p.setPrice(price);
return p;
}
public static List getAll() throws DBException {
String sql = \"SELECT * FROM Product.
Nodejs do teste de unidade ao de integração
The document discusses different types of tests for Node.js applications from unit tests to integration tests. It provides examples of setting up unit tests using Mocha, Chai and Sinon. Integration tests examples are also given using Mocha, Chai and Chai HTTP to test routes and make requests to the application. Noch is also introduced for mocking external API responses in integration tests. The document emphasizes the importance of both unit and integration tests during development.
Recommended
Quest 1 define a class batsman with the following specifications
The document defines several Java classes with private and public members to model different real-world entities. This includes classes for batsmen (with code, name, stats, and average calculation), tests (with code, description, candidates, and center calculation), flights (with number, destination, distance, and fuel calculation), books (with number, title, price, purchase calculation), reports (with admission, name, marks, and average calculation), students (with admission, name, subjects, and total calculation), and telephone bills (with readings, calls, name, charges and calculation). Public member functions allow entering and displaying data, while private functions perform calculations.
JAVA.Q4 Create a Time class. This class will represent a point in.pdf
JAVA.
Q4: Create a Time class. This class will represent a point in time, such as a departure time. It
should contain 2 constructors, 2 instance variables (hour and minute), and 10 methods (see
below). All methods but toString should be in terms of the 24 hour format. [30 points]
default constructor: Creates a Time object for 12:00AM.
overloaded constructor: Creates a Time object at a specific hour and minute.
getHour(): Returns an integer representing the hour of the Time object.
getMinute(): Returns an integer representing the minute of the Time object.
addHours(...): Updates the object by moving it forward a number of hours.
addMinute(...): Updates the object by moving it forward a number of minutes. (Hint: Be careful
that you don\'t allow minutes to be more than 59.)
addTime(...): Updates the object by moving it forward by the hour and minute from another
Time object.
getCopy(...): Returns a new Time object that has the same hour and minute of the existing Time
object.
isEarlierThan(...): Returns true if this Time object is earlier than another Time object.
isSameTime(...): Returns true if this Time object is the same as another Time object.
isLaterThan(...): Returns true if this Time object is later than another Time object.
toString(): Returns a string representing the Time object. Uses 12 hour AM/PM format and pads
minutes to be two digits. See the sample output for an example.
Q5: Create a Flight class that uses the Plane and Time class. This class will represent a flight
between two airports, using a specific Plane, and departing at a specific Time. It should contain a
constructor, 7 instance variables (plane, flight number, cost, departure, duration, source,
destination), and 9 methods (see below). [25 points]
overloaded constructor: Creates a Flight object that is setup up with a Plane, a flight number, a
cost, a departure Time, a duration time, a source Airport, and a destination Airport.
getPlane(): Returns the Plane that operates this flight.
getNumber(): Returns the flight number.
getCost(): Returns the flight cost.
getDestination(): Returns the destination Airport.
getDeparture(): Returns the departure Time.
getArrival(): Returns a Time object with the arrival time (computed from the departure time and
duration).
getSource(): Returns a Airport object for the departure location.
toOverviewString(): Returns a String representing an overview of the flight. Use NumberFormat
to display the price. See the sample output for an example.
toDetailedString(): Returns a String representing the flight\'s detail information. See the sample
output for an example.
Included below is an overall UML diagram that describes the three classes you will be
constructing. It provides a useful summary of all of the methods you are expected to implement,
and their corresponding types and visibility. Notice that one private method is listed here
(formatDigits in Time) that isn\'t mentioned above. This is a method that was in our solution, you
may not need.
There is something wrong with my program-- (once I do a for view all t.pdf
There is something wrong with my program.. (once I do a for view all this is the outcome in the
console...(carnea:Name: carnea, Address: 30 repeated..) why is this?
import java.util.Scanner;
public class AddressBook {
public static void main(String[] args) {
Tablea addressBook = new Tablea();
Scanner scanner = new Scanner(System.in);
String name, address;
String action = null;
boolean moreEntries = true;
while (moreEntries) {
System.out.println("/nMenu");
System.out.println("n.Add Entry");
System.out.println("d. Delete Entry");
System.out.println("u. Update Entry");
System.out.println("l. Search");
System.out.println("a. View All");
System.out.println("q. Exit");
action = scanner.nextLine();
// Insert a new entry into the address book
switch (action) {
case "n":
System.out.print("Enter a name: ");
name = scanner.nextLine();
System.out.print("Enter an address: ");
address = scanner.nextLine();
addressBook.insert(name, address);
System.out.println("New Contact has been added,");
break;
// Delete an entry from the address book
case "d":
System.out.println("Enter a name to delete: ");
name = scanner.nextLine();
boolean deleted = addressBook.delete(name);
if (deleted) {
System.out.println("Address deleted");
} else {
System.out.println("Name not found");
}
break;
// Update an entry in the address book
case "u":
System.out.print("Enter a name to update: ");
name = scanner.nextLine();
System.out.print("Enter a new address: ");
address = scanner.nextLine();
boolean updated = addressBook.update(name, address);
if (updated) {
System.out.println("Address updated");
} else {
System.out.println("Name not found");
}
break;
// Lookup an entry in the address book
case "l":
System.out.print("Enter a name to look up: ");
name = scanner.nextLine();
String result = addressBook.lookUp(name);
if (result != null) {
System.out.println("Address: " + result);
} else {
System.out.println("Name not found");
}
break;
// Display all entries in the address book
case "a":
System.out.println("All entries:");
addressBook.displayAll();
break;
// Quit the program
case"q":
System.out.println("Quitting...");
}
}
}
}
public class Node {
private String name;
private String address;
private Node next;
public Node(String name, String address) {
// add here ..
this.name = name;
this.address = address;
}
public String getName() {
// add here ..
return this.name;
}
public void setName(String name) {
// add here ..
this.name = name;
}
public String getAddress() {
// add here ..
return this.address;
}
public void setAddress(String address) {
// add here ..
this.address = address;
}
public Node getNext() {
// add here ..
return this.next;
}
public String toString() {
return "Name: "+ name +", Address:" +address;
}
public void setNext(Node node) {
// add here ..
this.next = next;
}
public void setAddress (Object newValue) {
this.address = address;
}
public void setName(Object newValue) {
this.name = name;
}
}
import java.util.Scanner;
public class Tablea {
private Node mark;
public Node get.
Creating a Facebook Clone - Part XLVI - Transcript.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
AJUG April 2011 Cascading example
Source code for the examples using Cascading from my April 2011 Atlanta Java Users group presentation.
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?
JAVA...With N.E.T_B.E.A.N.S___________________________________.pdf
JAVA...W\'i\'t\'h
N.E.T_B.E.A.N.S_______________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
____________________________________________________
***********Product*********************
package rooster.nest;
import java.text.NumberFormat;
public class Product {
private long id;
private String code;
private String description;
private double price;
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getDescription() {
return description;
}
public void setDescription(String name) {
this.description = name;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public String getPriceFormatted() {
NumberFormat currencyFormatter =
NumberFormat.getCurrencyInstance();
return currencyFormatter.format(getPrice());
}
}
********DBException************
package crows.foot;
/*
* This is just a wrapper class so we can throw a common exception for
* the UI to catch without tightly coupling the UI to the database layer.
*/
public class DBException extends Exception {
DBException() {}
DBException(Exception e) {
super(e);
}
}
*******DBUtil************
package crows.foot;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DBUtil {
private static Connection connection;
private DBUtil() {}
public static synchronized Connection getConnection() throws DBException {
if (connection != null) {
return connection;
}
else {
try {
// set the db url, username, and password
String url = \"jdbc:mysql://localhost:3306/mma\";
String username = \"mma_user\";
String password = \"sesame\";
// get and return connection
connection = DriverManager.getConnection(
url, username, password);
return connection;
} catch (SQLException e) {
throw new DBException(e);
}
}
}
public static synchronized void closeConnection() throws DBException {
if (connection != null) {
try {
connection.close();
} catch (SQLException e) {
throw new DBException(e);
} finally {
connection = null;
}
}
}
}
*************ProductDB**************
package crows.foot;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import rooster.nest.Product;
public class ProductDB {
private static Product getProductFromRow(ResultSet rs) throws SQLException {
int productID = rs.getInt(1);
String code = rs.getString(2);
String description = rs.getString(3);
double price = rs.getDouble(4);
String note = rs.getString(5);
Product p = new Product();
p.setId(productID);
p.setCode(code);
p.setDescription(description);
p.setPrice(price);
return p;
}
public static List getAll() throws DBException {
String sql = \"SELECT * FROM Product.
Nodejs do teste de unidade ao de integração
The document discusses different types of tests for Node.js applications from unit tests to integration tests. It provides examples of setting up unit tests using Mocha, Chai and Sinon. Integration tests examples are also given using Mocha, Chai and Chai HTTP to test routes and make requests to the application. Noch is also introduced for mocking external API responses in integration tests. The document emphasizes the importance of both unit and integration tests during development.
Anti patterns
The document discusses several common Java anti-patterns, including:
1) Approving a task by rejecting it in a method called "approve".
2) Avoiding the use of helper libraries to simplify tasks like file name parsing.
3) Using reflection when direct method calls would suffice.
Why Sifu?
The document describes a new tool called Sifu that aims to simplify programming by allowing developers to write specifications for applications in a domain-specific language (DSL) called SifuDSL. The SifuCompiler checks these specifications for errors and applies best practices, and the SifuLinker transforms the specifications into maintainable code in the developer's choice of technology stack. The generated code can be freely changed and extended by developers and looks like code written by an experienced developer. Sifu specifications also serve as documentation that is always up to date. The tool claims developers can generate up to 90% of an application's codebase using Sifu alone.
Why Sifu
The document describes a new tool called Sifu that aims to simplify programming by allowing developers to write specifications for applications in a domain-specific language (DSL) called SifuDSL. The SifuCompiler checks these specifications for errors and applies best practices, and the SifuLinker transforms the specifications into maintainable code in the developer's choice of technology stack. The generated code can be freely changed and extended by developers and looks like code written by an experienced developer. Sifu specifications also serve as documentation that is always up to date. The tool claims developers can generate up to 90% of an application's codebase using Sifu alone.
Need help finding the error in my code. Wherever theres a player.pdf
Need help finding the error in my code. Wherever there\'s a \"player.\" something netbeans
shows an error saying \"cannot find symbol\".
import java.util.Scanner;
public class DicePlayer {
private boolean player;
private String name;
private double cash;
Scanner scnr=new Scanner(System.in);
public void setName()
{
System.out.println(\"Enter the name of the player\ \");
name=scnr.next();
}
public void setCash ()
{
System.out.println(\"Give the amount on the hand\ \");
cash=scnr.nextDouble();
}
public String getName()
{
return name;
}
public double getCash()
{
return cash;
}
public boolean addCash()
{
double add;
System.out.println(\"Give the amount to add\ \");
add=scnr.nextInt();
if (add>0)
{
cash=cash+add;
return true;
}
else
return false;
}
public boolean subCash()
{
double sub;
System.out.println(\"Give the amount to sub\ \");
sub=scnr.nextInt();
if (sub>0 && sub
Solution
I have spotted following errorsin your code:
//private boolean player; // as you are not using this variable , so, i have commented it.
private String name;
private double cash;
Scanner scnr=new Scanner(System.in);
public void setName(String name)
{
System.out.println(\"Enter the name of the player\ \");
// name=scnr.next();
this.name=name;
}
public void setCash (int cash)
{
System.out.println(\"Give the amount on the hand\ \");
//cash=scnr.nextDouble();
this.cash=cash;
}
public String getName()
{
return name;
}
public double getCash()
{
return cash;
}
public boolean addCash(double a)
{
double add;
System.out.println(\"Give the amount to add\ \");
//add=scnr.nextInt();
add=a;
if (add>0)
{
cash=cash+add;
return true;
}
else
return false;
}
public boolean subCash(double s)
{
double sub=s;
System.out.println(\"Give the amount to sub\ \");
// sub=scnr.nextInt();
if (sub>0 && sub.
PHPUnit elevato alla Symfony2
By the sum of PHPUnit assertion power and Symfony2 functional testing tools the developer can obtain a deep control on the developed application.
Here you can find some suggestions on how to leverage that power.
Cnam azure 2014 mobile services
This document discusses cross-platform support and push notifications in Windows Azure Mobile Services. It explains how to send push notifications to different device platforms including Windows Store, Windows Phone, iOS, and Android. It also discusses using service filters and delegating handlers to intercept requests and responses for custom processing like adding versioning information.
Creating a Facebook Clone - Part XLV.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
Introduction to CQRS and Event Sourcing
Event Sourcing is the idea that every state of your application can be represented by a sequence of events. Using these two principles as the heart of a system or an application is quite common but can be challenging if we don’t use the right tools or architecture.
Java questionI am having issues returning the score sort in numeri.pdf
Java question
I am having issues returning the score sort in numerical order for more than 2 entries. I had to
develop an enhancement which allowed the application to sort the list by score. The easiest
solution is probably to create a second student class (perhaps called StudentScore) that
implements the IComparable interface to sort by score rather than by name
StudentSortApp
import java.util.*;
public class StudentSortApp
{
public static void main(String[] args)
{
System.out.println(\"Welcome to the Student Scores Application.\"+\"\ \");
Scanner sc = new Scanner(System.in);
System.out.print(\"Enter number of students to enter: \");
int numberofStudents = sc.nextInt();
//arrays storing student name and score
Student[] students = new Student[numberofStudents];
StudentScore [] studentScores = new StudentScore [numberofStudents];
int t = 0;
for (int i = 0; i < numberofStudents; i++)
{
System.out.println(\"\");
String studentLastName = Validator.lastName(sc, \"Student \" + (i+1) + \" Last name: \");
String studentFirstName = Validator.lastName(sc, \"Student \" + (i+1) + \" First name: \");
int studentScore = Validator.validScore(sc, \"Student \" + (i+1) + \" score : \");
students [t] = new Student(studentFirstName, studentLastName , studentScore);
studentScores [t] = new StudentScore(studentFirstName, studentLastName , studentScore);
t = t + 1;
}
//output
System.out.println(\"\");
System.out.println(\"Last Name Sort\");
Arrays.sort(students, 0, numberofStudents);
for(Student i: students)
System.out.println(i.getlastName()+\", \"+i.getfirstName()+\": \"+i.getScore());
System.out.println();
System.out.println(\"Score Sort\");
Arrays.sort(studentScores, 0, numberofStudents);
for(StudentScore i: studentScores)
System.out.println(i.getlastName()+\", \"+i.getfirstName()+\": \"+i.getScore());
}
}
Validator Class
import java.util.Scanner;
public class Validator
{
public static int validScore(Scanner sc, String prompt)
{
int studentScore = 0;
boolean isValid = false;
while (isValid == false)
{
System.out.print (prompt);
studentScore = sc.nextInt();
if (studentScore > 100 || studentScore < 0)
{
System.out.println(\"Error! You have to enter a score between 0 and 100\");
}
else
{
isValid = true;
}
}
return studentScore;
}
public static String lastName(Scanner sc, String prompt)
{
Scanner input = new Scanner(System.in);
String StudentName = \"\";
boolean isvalid = false;
while (isvalid == false)
{
System.out.print (prompt);
StudentName = input.nextLine();
if (StudentName == null || StudentName.equals(\"\"))
{
System.out.println(\"Error! You have to enter a name.\");
}
else
{
isvalid = true;
}
}
return StudentName;
}
}
Student Class
public class Student implements Comparable
{
private String firstName = \"\";
private String lastName = \"\";
private int score = 0;
// Student Class constructor
public Student(String firstName, String lastName, int score)
{
this.firstName = firstName;
this.lastName = lastName;
this.score = score;
}
@Override
public int compareTo.
Workshop 5: JavaScript testing
Workshop JavaScript Testing. Frameworks. Client vs Server Testing. Jasmine. Chai. Nock. Sinon. Spec Runners: Karma. TDD. Code coverage. Building a testable JS app.
Presentado por ing: Raúl Delgado y Mario García
Stop Making Excuses and Start Testing Your JavaScript
The document provides tips for adding testing to JavaScript projects. It recommends choosing a testing environment and dialect, then setting up the tests by installing dependencies and configuring files. Common issues like testing asynchronous code and methods that call other methods can be addressed with spies, stubs, mocks and promises. Tests should focus on isolated units of code and avoid direct DOM manipulation when possible. Automating testing through build tools like Grunt and Testem helps to easily run and watch tests. Overall, the document emphasizes making testing easy by writing maintainable, modular code and setting up automation.
Creating a Facebook Clone - Part XLV - Transcript.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
Implement a queue using a linkedlist (java)SolutionLinkedQueue.pdf
Implement a queue using a linkedlist (java)
Solution
LinkedQueueImplement.java
import java.util.*;
class Node
{
protected int data;
protected Node link;
public Node()
{
link = null;
data = 0;
}
public Node(int d,Node n)
{
data = d;
link = n;
}
public void setLink(Node n)
{
link = n;
}
public void setData(int d)
{
data = d;
}
public Node getLink()
{
return link;
}
public int getData()
{
return data;
}
}
class linkedQueue
{
protected Node front, rear;
public int size;
public linkedQueue()
{
front = null;
rear = null;
size = 0;
}
public boolean isEmpty()
{
return front == null;
}
public int getSize()
{
return size;
}
/* Function to insert an element to the queue */
public void insert(int data)
{
Node nptr = new Node(data, null);
if (rear == null)
{
front = nptr;
rear = nptr;
}
else
{
rear.setLink(nptr);
rear = rear.getLink();
}
size++ ;
}
/* Function to remove front element from the queue */
public int remove()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
Node ptr = front;
front = ptr.getLink();
if (front == null)
rear = null;
size-- ;
return ptr.getData();
}
/* Function to check the front element of the queue */
public int peek()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
return front.getData();
}
/* Function to display the status of the queue */
public void display()
{
System.out.print(\"\ Queue = \");
if (size == 0)
{
System.out.print(\"Empty\ \");
return ;
}
Node ptr = front;
while (ptr != rear.getLink() )
{
System.out.print(ptr.getData()+\" \");
ptr = ptr.getLink();
}
System.out.println();
}
}
/* Class LinkedQueueImplement */
public class LinkedQueueImplement
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
/* Creating object of class linkedQueue */
linkedQueue lq = new linkedQueue();
/* Perform Queue Operations */
System.out.println(\"Linked Queue Test\ \");
char ch;
do
{
System.out.println(\"\ Queue Operations\");
System.out.println(\"1. insert\");
System.out.println(\"2. remove\");
System.out.println(\"3. peek\");
System.out.println(\"4. check empty\");
System.out.println(\"5. size\");
int choice = scan.nextInt();
switch (choice)
{
case 1 :
System.out.println(\"Enter integer element to insert\");
lq.insert( scan.nextInt() );
break;
case 2 :
try
{
System.out.println(\"Removed Element = \"+ lq.remove());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 3 :
try
{
System.out.println(\"Peek Element = \"+ lq.peek());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 4 :
System.out.println(\"Empty status = \"+ lq.isEmpty());
break;
case 5 :
System.out.println(\"Size = \"+ lq.getSize());
break;
default :
System.out.println(\"Wrong Entry \ \");
break;
}
/* display queue */
lq.display();
System.out.println(\"\ Do you want to continue (Type y or n) \ \");
ch = scan.next().charAt(0);
} while (ch == \'Y\'|| ch == \'y\');
}
}
Output :
Linked Queue Test
Queue Operations
1. inse.
Java Programs
This document contains code for an Employee class with methods to get employee details from the user, calculate salary based on hours, days, and leave, and print the employee information and salary. It also contains a Salary class to set and get hours, days, leave for salary calculation, and methods to calculate hourly, daily, and permanent salary amounts. Finally, it contains a MyDictionary class with methods to count characters, words, vowels in a file, search for a word, open and close files.
Java Class Design
This presentation provides an overview of key topics in Java class design; also covers best practices/tips and quiz questions. Based on our OCP 8 book.
C# programs
The document discusses inheritance, polymorphism, properties, interfaces, and multiple inheritance in C#. It provides code examples to demonstrate:
1. Defining base and derived classes to represent employees with inheritance.
2. Using a constructor in a derived class to call the base class constructor.
3. Polymorphism through overriding virtual methods in derived classes.
4. Using properties with getters and setters instead of public fields.
5. Implementing multiple interfaces on a class and explicitly implementing interface members.
6. Issues with multiple inheritance with classes and how interfaces can allow for multiple inheritance.
Java programs
The document contains code snippets in Java for getting different types of information. This includes code to get the hostname, month from a date, IP address, memory size and usage, and more. The code uses various Java classes and methods like InetAddress, DateFormat, Runtime etc. to retrieve the desired information and print/return the output.
Martin Fowler's Refactoring Techniques Quick Reference
The document discusses various refactoring techniques for restructuring code to improve design, readability, and extensibility without changing external behavior. It provides examples of techniques like extracting methods, replacing temporary variables, simplifying conditional expressions, and dealing with generalization through inheritance/polymorphism. The techniques are organized into categories like composing methods, organizing data, simplifying method calls, and dealing with generalization.
Manual tecnic sergi_subirats
The document provides instructions for installing and configuring a Java application for managing a client and product database. It describes downloading and installing XAMPP, creating the database in PHPMyAdmin, installing NetBeans IDE, creating Java classes for data access, business logic, and UI forms. It also includes sample XML mappings for persisting objects to the database with Hibernate.
Command-Oriented Architecture
Talk I gave at Maceió DEV Meetup #6. Not only about Command Bus/Command Interface or whatever you name it, but a compilation of cool articles I found only that may help with understanding this architecture.
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
(𝐓𝐋𝐄 𝟏𝟎𝟎) (𝐋𝐞𝐬𝐬𝐨𝐧 𝟏)-𝐏𝐫𝐞𝐥𝐢𝐦𝐬
𝐃𝐢𝐬𝐜𝐮𝐬𝐬 𝐭𝐡𝐞 𝐄𝐏𝐏 𝐂𝐮𝐫𝐫𝐢𝐜𝐮𝐥𝐮𝐦 𝐢𝐧 𝐭𝐡𝐞 𝐏𝐡𝐢𝐥𝐢𝐩𝐩𝐢𝐧𝐞𝐬:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
𝐄𝐱𝐩𝐥𝐚𝐢𝐧 𝐭𝐡𝐞 𝐍𝐚𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐒𝐜𝐨𝐩𝐞 𝐨𝐟 𝐚𝐧 𝐄𝐧𝐭𝐫𝐞𝐩𝐫𝐞𝐧𝐞𝐮𝐫:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
Wound healing PPT
This document provides an overview of wound healing, its functions, stages, mechanisms, factors affecting it, and complications.
A wound is a break in the integrity of the skin or tissues, which may be associated with disruption of the structure and function.
Healing is the body’s response to injury in an attempt to restore normal structure and functions.
Healing can occur in two ways: Regeneration and Repair
There are 4 phases of wound healing: hemostasis, inflammation, proliferation, and remodeling. This document also describes the mechanism of wound healing. Factors that affect healing include infection, uncontrolled diabetes, poor nutrition, age, anemia, the presence of foreign bodies, etc.
Complications of wound healing like infection, hyperpigmentation of scar, contractures, and keloid formation.
More Related Content
Similar to import java.util.LinkedList;import java.util.Scanner;public cla.pdf
Anti patterns
The document discusses several common Java anti-patterns, including:
1) Approving a task by rejecting it in a method called "approve".
2) Avoiding the use of helper libraries to simplify tasks like file name parsing.
3) Using reflection when direct method calls would suffice.
Why Sifu?
The document describes a new tool called Sifu that aims to simplify programming by allowing developers to write specifications for applications in a domain-specific language (DSL) called SifuDSL. The SifuCompiler checks these specifications for errors and applies best practices, and the SifuLinker transforms the specifications into maintainable code in the developer's choice of technology stack. The generated code can be freely changed and extended by developers and looks like code written by an experienced developer. Sifu specifications also serve as documentation that is always up to date. The tool claims developers can generate up to 90% of an application's codebase using Sifu alone.
Why Sifu
The document describes a new tool called Sifu that aims to simplify programming by allowing developers to write specifications for applications in a domain-specific language (DSL) called SifuDSL. The SifuCompiler checks these specifications for errors and applies best practices, and the SifuLinker transforms the specifications into maintainable code in the developer's choice of technology stack. The generated code can be freely changed and extended by developers and looks like code written by an experienced developer. Sifu specifications also serve as documentation that is always up to date. The tool claims developers can generate up to 90% of an application's codebase using Sifu alone.
Need help finding the error in my code. Wherever theres a player.pdf
Need help finding the error in my code. Wherever there\'s a \"player.\" something netbeans
shows an error saying \"cannot find symbol\".
import java.util.Scanner;
public class DicePlayer {
private boolean player;
private String name;
private double cash;
Scanner scnr=new Scanner(System.in);
public void setName()
{
System.out.println(\"Enter the name of the player\ \");
name=scnr.next();
}
public void setCash ()
{
System.out.println(\"Give the amount on the hand\ \");
cash=scnr.nextDouble();
}
public String getName()
{
return name;
}
public double getCash()
{
return cash;
}
public boolean addCash()
{
double add;
System.out.println(\"Give the amount to add\ \");
add=scnr.nextInt();
if (add>0)
{
cash=cash+add;
return true;
}
else
return false;
}
public boolean subCash()
{
double sub;
System.out.println(\"Give the amount to sub\ \");
sub=scnr.nextInt();
if (sub>0 && sub
Solution
I have spotted following errorsin your code:
//private boolean player; // as you are not using this variable , so, i have commented it.
private String name;
private double cash;
Scanner scnr=new Scanner(System.in);
public void setName(String name)
{
System.out.println(\"Enter the name of the player\ \");
// name=scnr.next();
this.name=name;
}
public void setCash (int cash)
{
System.out.println(\"Give the amount on the hand\ \");
//cash=scnr.nextDouble();
this.cash=cash;
}
public String getName()
{
return name;
}
public double getCash()
{
return cash;
}
public boolean addCash(double a)
{
double add;
System.out.println(\"Give the amount to add\ \");
//add=scnr.nextInt();
add=a;
if (add>0)
{
cash=cash+add;
return true;
}
else
return false;
}
public boolean subCash(double s)
{
double sub=s;
System.out.println(\"Give the amount to sub\ \");
// sub=scnr.nextInt();
if (sub>0 && sub.
PHPUnit elevato alla Symfony2
By the sum of PHPUnit assertion power and Symfony2 functional testing tools the developer can obtain a deep control on the developed application.
Here you can find some suggestions on how to leverage that power.
Cnam azure 2014 mobile services
This document discusses cross-platform support and push notifications in Windows Azure Mobile Services. It explains how to send push notifications to different device platforms including Windows Store, Windows Phone, iOS, and Android. It also discusses using service filters and delegating handlers to intercept requests and responses for custom processing like adding versioning information.
Creating a Facebook Clone - Part XLV.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
Introduction to CQRS and Event Sourcing
Event Sourcing is the idea that every state of your application can be represented by a sequence of events. Using these two principles as the heart of a system or an application is quite common but can be challenging if we don’t use the right tools or architecture.
Java questionI am having issues returning the score sort in numeri.pdf
Java question
I am having issues returning the score sort in numerical order for more than 2 entries. I had to
develop an enhancement which allowed the application to sort the list by score. The easiest
solution is probably to create a second student class (perhaps called StudentScore) that
implements the IComparable interface to sort by score rather than by name
StudentSortApp
import java.util.*;
public class StudentSortApp
{
public static void main(String[] args)
{
System.out.println(\"Welcome to the Student Scores Application.\"+\"\ \");
Scanner sc = new Scanner(System.in);
System.out.print(\"Enter number of students to enter: \");
int numberofStudents = sc.nextInt();
//arrays storing student name and score
Student[] students = new Student[numberofStudents];
StudentScore [] studentScores = new StudentScore [numberofStudents];
int t = 0;
for (int i = 0; i < numberofStudents; i++)
{
System.out.println(\"\");
String studentLastName = Validator.lastName(sc, \"Student \" + (i+1) + \" Last name: \");
String studentFirstName = Validator.lastName(sc, \"Student \" + (i+1) + \" First name: \");
int studentScore = Validator.validScore(sc, \"Student \" + (i+1) + \" score : \");
students [t] = new Student(studentFirstName, studentLastName , studentScore);
studentScores [t] = new StudentScore(studentFirstName, studentLastName , studentScore);
t = t + 1;
}
//output
System.out.println(\"\");
System.out.println(\"Last Name Sort\");
Arrays.sort(students, 0, numberofStudents);
for(Student i: students)
System.out.println(i.getlastName()+\", \"+i.getfirstName()+\": \"+i.getScore());
System.out.println();
System.out.println(\"Score Sort\");
Arrays.sort(studentScores, 0, numberofStudents);
for(StudentScore i: studentScores)
System.out.println(i.getlastName()+\", \"+i.getfirstName()+\": \"+i.getScore());
}
}
Validator Class
import java.util.Scanner;
public class Validator
{
public static int validScore(Scanner sc, String prompt)
{
int studentScore = 0;
boolean isValid = false;
while (isValid == false)
{
System.out.print (prompt);
studentScore = sc.nextInt();
if (studentScore > 100 || studentScore < 0)
{
System.out.println(\"Error! You have to enter a score between 0 and 100\");
}
else
{
isValid = true;
}
}
return studentScore;
}
public static String lastName(Scanner sc, String prompt)
{
Scanner input = new Scanner(System.in);
String StudentName = \"\";
boolean isvalid = false;
while (isvalid == false)
{
System.out.print (prompt);
StudentName = input.nextLine();
if (StudentName == null || StudentName.equals(\"\"))
{
System.out.println(\"Error! You have to enter a name.\");
}
else
{
isvalid = true;
}
}
return StudentName;
}
}
Student Class
public class Student implements Comparable
{
private String firstName = \"\";
private String lastName = \"\";
private int score = 0;
// Student Class constructor
public Student(String firstName, String lastName, int score)
{
this.firstName = firstName;
this.lastName = lastName;
this.score = score;
}
@Override
public int compareTo.
Workshop 5: JavaScript testing
Workshop JavaScript Testing. Frameworks. Client vs Server Testing. Jasmine. Chai. Nock. Sinon. Spec Runners: Karma. TDD. Code coverage. Building a testable JS app.
Presentado por ing: Raúl Delgado y Mario García
Stop Making Excuses and Start Testing Your JavaScript
The document provides tips for adding testing to JavaScript projects. It recommends choosing a testing environment and dialect, then setting up the tests by installing dependencies and configuring files. Common issues like testing asynchronous code and methods that call other methods can be addressed with spies, stubs, mocks and promises. Tests should focus on isolated units of code and avoid direct DOM manipulation when possible. Automating testing through build tools like Grunt and Testem helps to easily run and watch tests. Overall, the document emphasizes making testing easy by writing maintainable, modular code and setting up automation.
Creating a Facebook Clone - Part XLV - Transcript.pdf
This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1
Implement a queue using a linkedlist (java)SolutionLinkedQueue.pdf
Implement a queue using a linkedlist (java)
Solution
LinkedQueueImplement.java
import java.util.*;
class Node
{
protected int data;
protected Node link;
public Node()
{
link = null;
data = 0;
}
public Node(int d,Node n)
{
data = d;
link = n;
}
public void setLink(Node n)
{
link = n;
}
public void setData(int d)
{
data = d;
}
public Node getLink()
{
return link;
}
public int getData()
{
return data;
}
}
class linkedQueue
{
protected Node front, rear;
public int size;
public linkedQueue()
{
front = null;
rear = null;
size = 0;
}
public boolean isEmpty()
{
return front == null;
}
public int getSize()
{
return size;
}
/* Function to insert an element to the queue */
public void insert(int data)
{
Node nptr = new Node(data, null);
if (rear == null)
{
front = nptr;
rear = nptr;
}
else
{
rear.setLink(nptr);
rear = rear.getLink();
}
size++ ;
}
/* Function to remove front element from the queue */
public int remove()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
Node ptr = front;
front = ptr.getLink();
if (front == null)
rear = null;
size-- ;
return ptr.getData();
}
/* Function to check the front element of the queue */
public int peek()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
return front.getData();
}
/* Function to display the status of the queue */
public void display()
{
System.out.print(\"\ Queue = \");
if (size == 0)
{
System.out.print(\"Empty\ \");
return ;
}
Node ptr = front;
while (ptr != rear.getLink() )
{
System.out.print(ptr.getData()+\" \");
ptr = ptr.getLink();
}
System.out.println();
}
}
/* Class LinkedQueueImplement */
public class LinkedQueueImplement
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
/* Creating object of class linkedQueue */
linkedQueue lq = new linkedQueue();
/* Perform Queue Operations */
System.out.println(\"Linked Queue Test\ \");
char ch;
do
{
System.out.println(\"\ Queue Operations\");
System.out.println(\"1. insert\");
System.out.println(\"2. remove\");
System.out.println(\"3. peek\");
System.out.println(\"4. check empty\");
System.out.println(\"5. size\");
int choice = scan.nextInt();
switch (choice)
{
case 1 :
System.out.println(\"Enter integer element to insert\");
lq.insert( scan.nextInt() );
break;
case 2 :
try
{
System.out.println(\"Removed Element = \"+ lq.remove());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 3 :
try
{
System.out.println(\"Peek Element = \"+ lq.peek());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 4 :
System.out.println(\"Empty status = \"+ lq.isEmpty());
break;
case 5 :
System.out.println(\"Size = \"+ lq.getSize());
break;
default :
System.out.println(\"Wrong Entry \ \");
break;
}
/* display queue */
lq.display();
System.out.println(\"\ Do you want to continue (Type y or n) \ \");
ch = scan.next().charAt(0);
} while (ch == \'Y\'|| ch == \'y\');
}
}
Output :
Linked Queue Test
Queue Operations
1. inse.
Java Programs
This document contains code for an Employee class with methods to get employee details from the user, calculate salary based on hours, days, and leave, and print the employee information and salary. It also contains a Salary class to set and get hours, days, leave for salary calculation, and methods to calculate hourly, daily, and permanent salary amounts. Finally, it contains a MyDictionary class with methods to count characters, words, vowels in a file, search for a word, open and close files.
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1. Defining base and derived classes to represent employees with inheritance.
2. Using a constructor in a derived class to call the base class constructor.
3. Polymorphism through overriding virtual methods in derived classes.
4. Using properties with getters and setters instead of public fields.
5. Implementing multiple interfaces on a class and explicitly implementing interface members.
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Java programs
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import java.util.LinkedList;import java.util.Scanner;public cla.pdf
- 1. import java.util.LinkedList; import java.util.Scanner; public class Agency { private Administrator loggedInUser; private Destinations destinations; private Flights flights; private Administrators admins; public Agency() { admins = new Administrators(); admins.insertDummyData(); destinations = new Destinations(this); flights = new Flights(this); } public Destinations getDestinations() { return destinations; } public Flights getFlights() { return flights; } public void login() { Scanner scanner = new Scanner(System.in); boolean loggedIn = false; while (!loggedIn) { System.out.print("Username: "); String username = scanner.nextLine(); System.out.print("Password: "); String password = scanner.nextLine(); if (admins.validateCredentials(username, password)) { loggedIn = true; loggedInUser = new Administrator(admins.getAdminName(username), username, password); mainMenu(scanner); } else { System.out.println("Invalid Credentials! Try Again."); }
- 2. } } public void destinationsMenu(Scanner scanner) { System.out.println("Welcome to the Destinations section " + loggedInUser.getName() + ", Please make a selection from the menu:"); while (true) { System.out.println("1. View All Destinations"); System.out.println("2. View Destinations by Country"); System.out.println("3. Add a Destination"); System.out.println("4. Remove a Destination"); System.out.println("X. Return to Main Menu"); System.out.print("Please enter an option: "); String option = scanner.nextLine(); switch (option) { case "1": destinations.displayAllDestinations(); break; case "2": break; case "3": break; case "4": break; case "X": mainMenu(scanner); return; default: System.out.println("Please enter a valid choice, or press X to exit."); } } } public void mainMenu(Scanner scanner) { System.out.println("Welcome to the Prog2 Travel Agency " + loggedInUser.getName() + ", Please make a selection from the menu:"); while (true) { System.out.println("1. Explore Flights");
- 3. System.out.println("2. Explore Destinations"); System.out.println("3. Book a Trip"); System.out.println("X. Exit the System"); System.out.print("Please enter an option: "); String option = scanner.nextLine(); switch (option) { case "1": break; case "2": destinationsMenu(scanner); break; case "3": break; case "X": System.out.println("Thanks for using the Prog2 Travel Agency."); System.exit(0); default: System.out.println("Please enter a valid choice, or press X to exit."); } } } public static void main(String[] args) { Agency agency = new Agency(); agency.login(); } } public class Destination { private String country; private String name; public Destination(String name, String country) { this.name = name; this.country = country; } public String getCountry() { return country;
- 4. } public String getName() { return name; } } import java.util.LinkedList; public class Destinations { private LinkedList destinations; private Agency agency; public Destinations(Agency agency) { this.agency = agency; destinations = new LinkedList<>(); destinations.add(new Destination("Eiffel Tower", "France")); destinations.add(new Destination("Opera House", "Australia")); destinations.add(new Destination("Uluru", "Australia")); destinations.add(new Destination("Machu Picchu", "Peru")); destinations.add(new Destination("Great Pyramids", "Egypt")); destinations.add(new Destination("Niagara Falls", "Canada")); } public LinkedList getAllDestinations() { return destinations; } public LinkedList getDestinationsByCountry(String country) { LinkedList result = new LinkedList<>(); for (Destination dest : destinations) { if (dest.getCountry().equalsIgnoreCase(country)) { result.add(dest); } } return result; } public void displayAllDestinations() { System.out.println("+----------------------+----------------+--------------+-------+-------+"); System.out.println("| Destinations |"); System.out.println("+----------------------+----------------+--------------+-------+-------+");
- 5. for (Destination destination : destinations) { System.out.println(destination.getName() + " in " + destination.getCountry()); } System.out.println("+----------------------+----------------+--------------+-------+-------+"); } the login works i need help using the untils to header and footer and also with the test case above. Username: david46@uts.com Password: 123 Welcome to the Prog2 Travel Agency David Dyer, Please make a selection from the menu: 1. Explore Flights 2. Explore Destinations 3. Book a Trip X. Exit the System Please enter an option: 2 Welcome to the Destinations section David Dyer, Please make a selection from the menu: 1. View All Destinations 2. View Destinations by Country 3. Add a Destination 4. Remove a Destination X. Return to Main Menu Please enter an option: 2 Country: sdfdfs No matching destinations found. Country: australia No matching destinations found. Country: Australia Destinations Opera House in Australia Uluru in Australia 1. View All Destinations 2. View Destinations by Country 3. Add a Destination 4. Remove a Destination X. Return to Main Menu Please enter an option: X Welcome to the Prog2 Travel Agency David Dyer, Please make a selection from the menu: 1. Explore Flights 2. Explore Destinations 3. Book a Trip X. Exit the System Please enter an option: X Thanks for using the Prog2 Travel Agency.