PanelTest.java

import java.util.*;
import java.io.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class PanelTest extends JFrame
{
 public static void main(String args[])
 {
			PanelTest p1 = new PanelTest();
 p1.setVisible(true);
		}
		PanelTest()
		{
 JPanel panel = new JPanel(new GridLayout(2,0));
			(this.myPanel[0]).add(new JButton("hello1"));
 panel.add(myPanel[0]);
 (this.myPanel[1]).add(new JButton("hello1"));
 panel.add(myPanel[1]);
			add(panel, BorderLayout.CENTER);
 pack();
 }
 JPanel[] myPanel = new JPanel[2];
}