November 2009

Java Threading

November 21, 2009

TimerTextField.java import java.util.Date; import javax.swing.JTextField; public class TimerTextField extends JTextField implements Runnable { private boolean gogo = true; @Override public void run() { // TODO Auto-generated method stub Date d; while(gogo) { d = new Date(); this.setText(d.toString()); this.repaint(); try { Thread.sleep(1000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } [...]

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Java Navigation

November 14, 2009

Main.java public class Main { public static void main(String[] args) { new Apps(); } } Apps.java import java.awt.Component; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.ListIterator; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; public class Apps extends JFrame{ private JButton jbsave; private [...]

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Java Hashmap

November 13, 2009

Pet.java public class Pet { private String name; private int age; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } } Apps.java import java.awt.Component; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.FileReader; [...]

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Java Array

November 13, 2009

import java.util.Arrays; public class MainProg { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub int num1[] = {1,2,3,4}; int num2[] = new int[4]; int num3[] = new int[4]; // to populate for (int i=0 ; i < 4 ; i++) { num2[i] = i; } Arrays.fill(num3,0); // [...]

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