Select all JCheckBox in one click

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COMPLETE SOURCE CODE FOR : JCheckBoxMultipleSelectInOneClick.java
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import javax.swing.JCheckBox;
import javax.swing.JFrame;

import java.awt.GridLayout;

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class JCheckBoxMultipleSelectInOneClick extends JFrame implements ActionListener
{
 //Create JCheckBox object
 JCheckBox a=new JCheckBox("Select All");
 JCheckBox b=new JCheckBox("Car");
 JCheckBox c=new JCheckBox("Lorry");
 JCheckBox d=new JCheckBox("Motorcycle");
 
 //Constructor for JCheckBoxMultipleSelectInOneClick class
 public JCheckBoxMultipleSelectInOneClick()
 {
  //Set JFrame title
  super("Select All JCheckBox In One Click");
  
  //Set JFrame layout
  setLayout(new GridLayout(4,1));
  
  //Add action listener to JCheckBox a
  a.addActionListener(this);
  
  //Add JCheckBox into JFrame
  add(a);
  add(b);
  add(c);
  add(d);
  
  //Set JFrame's default close operation when click on close window button
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  
  //Set JFrame size
  setSize(400,400);
  
  //Make JFrame locate at the center of screen
  setLocationRelativeTo(null);
  
  //Make JFrame visible to see
  setVisible(true);
 }
 
 //Override actionPerformed method in ActionListener interface
 public void actionPerformed(ActionEvent e)
 {
  if(e.getSource()==a)
  {
   //Set all JCheckBox to select when JCheckBox a is select  
   if(a.isSelected()==true)
   {
    b.setSelected(true);
    c.setSelected(true);
    d.setSelected(true);
   }
   
   //Set all JCheckBox to unselect when JCheckBox a is select 
   else
   {
    b.setSelected(false);
    c.setSelected(false);
    d.setSelected(false);
   }
  }
 }

 //Main method where this program start
 public static void main(String[]args)
 {
  JCheckBoxMultipleSelectInOneClick myFirstObject = new JCheckBoxMultipleSelectInOneClick();
 }
}

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A Java Program To Play A MP3 File Using JLayer

Watch video tutorial below :


*********************************************************************
COMPLETE SOURCE CODE FOR : TestPlay.java
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import javazoom.jl.player.Player;
import java.io.FileInputStream;

public class TestPlay
{
    public static void main(String[]args)
    {
        try
        {
            FileInputStream fis=new FileInputStream("C:\\Documents and Settings\\UserXP\\Desktop\\01-flo_rida_(feat_david_guetta)-clab_cant_handle_me.mp3");
            Player playMp3=new Player(fis);

            playMp3.play();
        }
        catch(Exception e)
        {
            System.out.println(e);
        }
    }
}

Open folder or directory in Windows 7 using java

Complete source code below will show you, how to open folder through java in Windows 7.

************************************************************************
COMPLETE SOURCE CODE FOR : OpenFolderInJava.java
Thank you to Ankur Pandya for this source codes.
************************************************************************

/// file OpenFolderInJava.java ////

import java.util.*;
import java.io.*;
import java.awt.Desktop;

class OpenFolderInJava{

public static void main(String[] arg){
String path = "."; // path to the directory to be opened
File file = new File("C:\\");
Desktop desktop = null;
// Before more Desktop API is used, first check
// whether the API is supported by this particular
// virtual machine (VM) on this particular host.
if (Desktop.isDesktopSupported()) {
desktop = Desktop.getDesktop();
}
try {
desktop.open(file);
}
catch (IOException e){
}
}
}

/// end of file ///

************************************************************************
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************************************************************************

Java Play Sound When Click On Letter

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How To Retrieve Data Into Database

Contributor : Santosh Rai

Program Description : How To Retrieve Data Into Database

Click Here To Download File For This Java Program

Java Address Book

Contributor : KaliRagavendran

Program Description : Small Address Book

Click Here To Download File For This Java Program

Java Hotel Management Program (Philippine)

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COMPLETE SOURCE CODE FOR : TTKH.java
BY : Phi
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/**
 * @(#)TTKH.java
 *
 * TTKH application
 *
 * @author 
 * @version 1.00 2010/3/21
 */
import javax.swing.*;
import java.awt.*;

public class TTKH {
     
    public static void main(String[] args) {
     try {
     // Set System L&F
        UIManager.setLookAndFeel(
            UIManager.getSystemLookAndFeelClassName());
    } 
    catch (UnsupportedLookAndFeelException e) {
       // handle exception
    }
    catch (ClassNotFoundException e) {
       // handle exception
    }
    catch (InstantiationException e) {
       // handle exception
    }
    catch (IllegalAccessException e) {
       // handle exception
    }
    
    
    //=----------------------------------------------------
     
     // TODO, add your application code
     JFrame frame = new JFrame();
     
     
     JPanel panel = new JPanel();
     JPanel khungchitiet = new JPanel();
     //JPanel p1 = new JPanel();
     
     //JPanel p2 = new JPanel();
     //p2.setLayout(new FlowLayout());
     JPanel khungtimkiem = new JPanel();
     GridLayout g2 = new GridLayout(2,2);
     khungtimkiem.setLayout(new GridLayout(5,2,10,10));
     GridLayout g1 = new GridLayout(1,1);
     khungchitiet.setLayout(new GridLayout(7,2,10,10));
     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     
    // frame.setLocationByPlatform(true);
     
     frame.setSize(680,470); 
     
      
     // Giao dien
      
     JLabel ldemuc = new JLabel("Thong Tin Khach Hang"); 
     ldemuc.setFont(new Font("Tahoma", Font.BOLD, 25));
     ldemuc.setLayout(new FlowLayout());
     panel.add(ldemuc);
     
      
     
     // Khung Chi tiet
     JLabel ltenKH = new JLabel("Ten KH");
     JTextField ttenKH = new JTextField("Nguyen Van A",1);
     JLabel lngaynhan = new JLabel("Ngay Nhan Phong");
     JTextField tngaynhan = new JTextField("12/05/2009",1);
     JLabel lngaysinh = new JLabel("Ngay Sinh");
     JTextField tngaysinh = new JTextField("11/09/1986",1);
     JLabel lngaytra = new JLabel("Ngay Tra Phong") ;
     JTextField tngaytra = new JTextField("22/05/2009",1);
     JLabel lgioitinh = new JLabel("Gioi Tinh");
     JTextField tgioitinh = new JTextField("Nam",1);
     JLabel lsodt = new JLabel("So Dien Thoai");
     JTextField tsodt = new JTextField("0912345677",1);
     JLabel lloaiphong = new JLabel("Loai Phong");
     JTextField tloaiphong = new JTextField("Vip",1);
     JLabel lcmnd = new JLabel("So CMND");
     JTextField tcmnd = new JTextField("036365888",1);
     JLabel lmaKH = new JLabel("Ma KH");
     JTextField tmaKH = new JTextField("001",1);
     JLabel lemail = new JLabel("Email");
     JTextField temail = new JTextField("nguoidep@gmail.com",1);
     JLabel lspace = new JLabel("--------------");
     JLabel lspace1 = new JLabel(" ");
     JLabel lspace2 = new JLabel("");
     JLabel lspace3 = new JLabel("--------------");
     JLabel lspace4 = new JLabel(" ");
     JLabel lspace5 = new JLabel(" ");
     JLabel lchitiet = new JLabel("Chi Tiet Khach Hang") ;
     lchitiet.setFont(new Font("Tahoma", Font.BOLD, 15));
     JLabel ltimkiem = new JLabel("Tim Kiem Nhanh") ;
     ltimkiem.setFont(new Font("Tahoma", Font.BOLD, 15));
     
        
      
     khungchitiet.add(lchitiet);  
     khungchitiet.add(lspace);
     khungchitiet.add(lspace1); 
     khungchitiet.add(lspace2);
     //khungchitiet.add(lspace3); 
     khungchitiet.add(lmaKH);
     khungchitiet.add(tmaKH);
     khungchitiet.add(lngaynhan);
     khungchitiet.add(tngaynhan);
     khungchitiet.add(ltenKH);
     khungchitiet.add(ttenKH);
     khungchitiet.add(lngaytra);
     khungchitiet.add(tngaytra);
     khungchitiet.add(lgioitinh);
     khungchitiet.add(tgioitinh);
     khungchitiet.add(lsodt);
     khungchitiet.add(tsodt);
     khungchitiet.add(lngaysinh);
     khungchitiet.add(tngaysinh);
     khungchitiet.add(lloaiphong);
     khungchitiet.add(tloaiphong);
     khungchitiet.add(lcmnd);
     khungchitiet.add(tcmnd);
     khungchitiet.add(lemail);
     khungchitiet.add(temail); 
     khungchitiet.add(ltimkiem);
     khungchitiet.add(lspace3);
     khungchitiet.add(lspace4);
     khungchitiet.add(lspace5); 
            
          
     
                  
     // phan tim kiem  
     
     JLabel lmaKH2 = new JLabel("Ma KH");
     lmaKH2.setForeground(Color.red);
     JTextField tmaKH2 = new JTextField("Nhap ma khach hang...");
     Choice c1 = new Choice();
     c1.addItem("Vip");
     c1.addItem("Phong Gia dinh"); 
     c1.addItem("Phong Quat");
     c1.addItem("Phong May lanh");
     //JLabel lgioitinh2 = new JLabel("Gioi tinh");
     //JRadioButton rnam = new JRadioButton("Nam",true);
     //JRadioButton rnu = new JRadioButton("Nu",false); 
     JLabel lngaynhan2 = new JLabel("Ngay Nhan");
     lngaynhan2.setForeground(Color.red);
     JTextField tngaynhan2 = new JTextField("Nhap ngay nhan dd/mm/yyyy");
     JLabel lcmnd2 = new JLabel("So CMND");
     JTextField tcmnd2 = new JTextField("Nhap so");
     JLabel lngaytra2 = new JLabel("Ngay Tra");
     lngaytra2.setForeground(Color.red);
     JTextField tngaytra2 = new JTextField("Nhap ngay tra dd/mm/yyyy");
     JLabel ltenKH2 = new JLabel("Ten KH");
     JTextField ttenKH2 = new JTextField("Nhap ten KH");
     JLabel ls1 = new JLabel(" ");
     JLabel ls2 = new JLabel(" ");
     JLabel ls3 = new JLabel(" ");
     JLabel ls4 = new JLabel(" ");
     JLabel ls5 = new JLabel(" ");
     JLabel ls6 = new JLabel(" ");
     JButton b1 = new JButton("Lam Moi");
      JButton b2 = new JButton("Tim");
     JButton b3 = new JButton("Thoat");
     //JLabel ls5 = new JLabel(" ");
     JLabel loaiphong = new JLabel("Loai Phong");
     khungtimkiem.add(lmaKH2);
     khungtimkiem.add(tmaKH2);
     khungtimkiem.add(lngaynhan2);
     khungtimkiem.add(tngaynhan2);
     khungtimkiem.add(ltenKH2);
     khungtimkiem.add(ttenKH2);
     khungtimkiem.add(lngaytra2);
     khungtimkiem.add(tngaytra2);
     khungtimkiem.add(lcmnd2);
     khungtimkiem.add(tcmnd2);
     khungtimkiem.add(ls1);
     khungtimkiem.add(ls2);
     khungtimkiem.add(loaiphong);
     khungtimkiem.add(c1);
     khungtimkiem.add(ls3);
     khungtimkiem.add(b2);
     khungtimkiem.add(ls5);
     khungtimkiem.add(ls6);
     khungtimkiem.add(b1);
     khungtimkiem.add(b3);
     
          
     frame.setLayout(new BorderLayout());
     frame.add(panel, BorderLayout.NORTH);
     //frame.add(p1, BorderLayout.LINE_START);
     frame.add(khungchitiet, BorderLayout.WEST);
     //frame.add(p2, BorderLayout.WEST);
     //frame.add(p2, BorderLayout.LINE_END);
     frame.add(khungtimkiem, BorderLayout.SOUTH);
     frame.setVisible(true);
    }
}

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JUST COMPILE AND EXECUTE IT
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