รูป

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.geom.Rectangle2D;

import javax.swing.JComponent;
import javax.swing.JFrame;

class MyCanvas extends JComponent {

  public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    Rectangle2D df =new Rectangle2D.Double(10,10, 20,20);
    g2.draw(df);


    g2.drawRect(30,30,50,60);
    //Image img1 = Toolkit.getDefaultToolkit().getImage("B:\\images\\kuy.jpg");
    //g2.drawImage(img1, 10, 10, this);
    //g2.finalize();
  }
}

public class Graphics2DDrawImage {
  public static void main(String[] a) {
    JFrame window = new JFrame();
    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    window.setBounds(30, 30, 300, 300);
    window.getContentPane().add(new MyCanvas());
    window.setVisible(true);
  }
}