Close JFrame when cursor exit from JFrame

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

import java.awt.event.MouseListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class CloseJFrameWhenMouseExit
{
public static void main(String[]args)
{
 //Create mouse listener that will listen when cursor exit JFrame
 MouseListener ml=new MouseAdapter()
 {
  public void mouseExited(MouseEvent event)
  {
   //Put JFrame close code here
   System.exit(0);
  }
 };

 //Create JFrame with title ( GET YOUR CURSOR INTO JFRAME, AFTER THAT MOVE IT AWAY )
 JFrame frame=new JFrame("GET YOUR CURSOR INTO JFRAME, AFTER THAT MOVE IT AWAY");

 //Add mouse listener to JFrame
 frame.addMouseListener(ml);

 //Set default close operation to JFrame
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 //Set JFrame size to :
 //Width : 700 pixels
 //Height : 400 pixels
 frame.setSize(700,400);

 //Make JFrame visible. So we can see it.
 frame.setVisible(true);
}
}

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JUST COMPILE AND EXECUTE IT
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