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Close application when click on JFrame close button


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

public class ExitApplicationUsingJFrameCloseButton
{
public static void main(String[]args)
{
JFrame a=new JFrame("EXIT AN APPLICATION USING JFRAME CLOSE BUTTON");

//JFrame.EXIT_ON_CLOSE will make your application close when you hit JFrame close button
a.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
a.setSize(200,200);
a.setVisible(true);
}
}


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JUST COMPILE AND EXECUTE IT
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JFrame hide when click close button


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COMPLETE SOURCE CODE FOR : HidingJFrameWithoutDestroy.java
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import javax.swing.JFrame;
import javax.swing.JOptionPane;

import java.awt.event.WindowListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class HidingJFrameWithoutDestroy
{
public static void main(String[]args)
{
JFrame a=new JFrame("HIDE A JFRAME");

a.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent evt)
{
try
{
JFrame temp=(JFrame)evt.getSource();
temp.setVisible(false);
String a=JOptionPane.showInputDialog(null,"CHOOSE ONE : \n 1-Make It Visible \n 2-Exit");
int b=Integer.parseInt(a);

if(b==1)
{
temp.show(true);
}

else if(b==2)
{
System.exit(0);
}

else
{
JOptionPane.showMessageDialog(null,"YOU PUT WRONG NUMBER");
}
}
catch(Exception exception)
{
JOptionPane.showMessageDialog(null,"ERROR, DON'T DO THAT\nTHIS PROGRAM WILL CLOSE");
System.exit(0);
}
}

public void windowActivated(WindowEvent event)
{
JFrame temp=(JFrame)event.getSource();
temp.setVisible(true);
}
}
);

a.setSize(200,200);
a.setVisible(true);
}
}


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JUST COMPILE AND EXECUTE IT
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Set jframe size and it's location when click on maximize button


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COMPLETE SOURCE CODE FOR : SettingBound.java
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/**
*THIS TUTORIAL WILL SHOW YOU HOW TO SET THE MAXIMUM SIZE OF YOUR FRAME
*AND IT'S LOCATION WHEN YOU CLICK
*MAXIMIZE BUTTON BESIDE JFRAME CLOSE BUTTON
**/

import java.awt.Rectangle;
import javax.swing.JFrame;

public class SettingBound
{
public static void main(String[]args)
{
//first value, 400=x coordinate on your screen
//second value, 400=y coordinate on your screen
//third value, 800=JFrame width
//fourth value, 200=JFrame height
Rectangle rec=new Rectangle(400,400,800,200);

JFrame frame1=new JFrame("Setting Bound");

frame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame1.setMaximizedBounds(rec);//set maximize setting for your JFrame
frame1.setVisible(true);
}
}


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JUST COMPILE AND EXECUTE IT
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