RectangleComponent.java

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import javax.swing.JComponent;

public class RectangleComponent extends JComponent {
	public void paintComponent(Graphics g) {
	
		// Recover Graphics2D
		Graphics2D g2 = (Graphics2D)g;
		
		// Construct rectangle and draw
		Rectangle box = new Rectangle(5,10,20,30);
		g2.draw(box);
		
		// Move 15 units to the right and 25 units down
		box.translate(15,25);
		
		// Draw moved rectangle
		g2.draw(box);
	}
}