[hardwired]

Code:

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class XYRx extends JFrame 
{ 
 	// Variables declaration 
 	private JTextField jTextField1; 
 	private JTextField jTextField2; 
 	//----- 
 	private JPanel jPanel1; 
 	//----- 
        int x;
        int y;
 	// End of variables declaration 
  
  
 	public XYRx() 
 	{ 
 		super(); 
 		initializeComponent(); 
 		// 
 		// TODO: Add any constructor code after initializeComponent call 
 		// 
  
 		this.setVisible(true); 
 	} 
  
 	private void initializeComponent() 
 	{ 
 		JLabel jLabel1 = new JLabel(); 
 		JLabel jLabel2 = new JLabel(); 
 		jTextField1 = new JTextField(); 
 		jTextField2 = new JTextField(); 
 		JButton jButton1 = new JButton(); 
 		Container contentPane = (JPanel)this.getContentPane(); 
 		//----- 
 		jPanel1 = new JPanel()
		{
			protected void paintComponent(Graphics g)
			{
				super.paintComponent(g);
				g.setColor(Color.red);
				g.fillOval(x-2, y-2, 4, 4);
			}
		}; 
 		//----- 
  
 		// 
 		// jLabel1 
 		// 
 		jLabel1.setText("X Coordinate"); 
 		// 
 		// jLabel2 
 		// 
 		jLabel2.setText("Y Coordinate"); 
 		// 
 		// jTextField1 
 		// 
 		jTextField1.addActionListener(al); 
 		// 
 		// jTextField2 
 		// 
 		jTextField2.addActionListener(al); 
 		// 
 		// jButton1 
 		// 
 		jButton1.setText("GO!"); 
 		jButton1.addActionListener(al); 
 		jPanel1.addMouseListener(ma); 
 		// 
 		// contentPane 
 		// 
 		contentPane.setLayout(null); 
 		addComponent(contentPane, jLabel1, 292,251,82,18); 
 		addComponent(contentPane, jLabel2, 292,295,84,17); 
 		addComponent(contentPane, jTextField1, 355,250,57,22); 
 		addComponent(contentPane, jTextField2, 355,292,57,22); 
 		addComponent(contentPane, jButton1, 330,332,62,28); 
 		addComponent(contentPane, jPanel1, 16,23,266,210); 
 		// 
 		// jPanel1 
 		// 
 		jPanel1.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5)); 
		jPanel1.setBorder(BorderFactory.createLineBorder(Color.blue));
 		// 
 		// XY 
 		// 
 		this.setTitle("XY - extends JFrame"); 
 		this.setLocation(new Point(0, 0)); 
 		this.setSize(new Dimension(700, 500)); 
 	} 
  
 	/** Add Component Without a Layout Manager (Absolute Positioning) */ 
 	private void addComponent(Container container,Component c,
					int x,int y,int width,int height) 
 	{ 
 		c.setBounds(x,y,width,height); 
 		container.add(c); 
 	} 
  
 	// 
 	// TODO: Add any appropriate code in the following Event Handling Methods 
 	// 
 	private ActionListener al = new ActionListener()
 	{
		public void actionPerformed(ActionEvent e) 
 		{ 
			x = Integer.parseInt(jTextField1.getText());
			y = Integer.parseInt(jTextField2.getText());
			jPanel1.repaint();
		}
 	};
   
 	private MouseListener ma = new MouseAdapter()
	{
		public void mousePressed(MouseEvent e) 
 		{
			x = e.getX();
			y = e.getY();
			jPanel1.repaint();
		}  
 	};

 	public static void main(String[] args) 
 	{ 
 		JFrame.setDefaultLookAndFeelDecorated(true); 
 		JDialog.setDefaultLookAndFeelDecorated(true); 
 		try 
 		{ 
 			UIManager.setLookAndFeel("com.sun.java" +
                            ".swing.plaf.windows.WindowsLookAndFeel"); 
 		} 
 		catch (Exception ex) 
 		{ 
 			System.out.println("Failed loading L&F: "); 
 			System.out.println(ex); 
 		} 
 		new XYRx(); 
 	} 
 }