Example of JInternalFrame in swing

Write a program to demonstrate a Working of JinternalFrame.

import javax.swing.*;

import java.awt.*;

class JInternal extends JFrame

{

JInternalFrame f1;

JDesktopPane p;

public JInternal()

{

createAndShowGUI();

}

private void createAndShowGUI()

{ setDefaultCloseOperation(EXIT_ON_CLOSE);

p=new JDesktopPane();

p.setBackground(Color.GRAY);

f1=new JInternalFrame();

f1.setSize(150,150);

f1.setVisible(true);

f1.setLocation(60,60);

p.add(f1);

add(p);

setSize(400,400);

setVisible(true);

}

public static void main(String args[])

{

new JInternal();

}

}

Output :

#JInternalFrame #Advancejava