import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
 
public class PhoneInterface1 extends JFrame
{
	private JPanel imagePanel, numberPad;
	private JTextField text;
 
	public PhoneInterface1()
	{
		JButton[] buttons = new JButton[12];
		this.add("North", imagePanel);
		this.add("Centre", text);
 
		numberPad.setLayout(new GridLayout(4,3));
		for(int i=0; i<12; i++)
		{ 
			buttons[i] = new JButton(""+i);
			numberPad.add(buttons[i]);
		}
		this.add("South", numberPad);
		this.pack();
		this.setVisible(true); //displays the frame
	}
	public static void main(String args[])
	{
	   new PhoneInterface1();
	}
}

private JPanel imagePanel, numberPad;
private JTextField text;

private JPanel imagePanel = new JPanel();
private JPanel numberPad = new JPanel();
private JTextField text; = new JTextField();