Drawing Shapes

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

 public class SwitchTest extends JApplet
 {
	 int choice;
	 public void init()
	 {
		 String input;

		 input = JOptionPane.showInputDialog(
		 "Enter 1 to draw lines\n" +
		 "Enter 2 to draw rectangles\n" +
		 "Enter 3 to draw ovals\n" );

		 choice = Integer.parseInt( input );
	 }

	 public void paint( Graphics g )
	 {
		 for ( int i = 0; i < 10; i++ )
		 {
			 switch( choice )
			 {
				 case 1:
					 g.drawLine( 10, 10, 250, 10 + i * 10 );
					 break;
				 case 2:
					 g.drawRect( 10 + i * 10, 10 + i * 10, 50 + i * 10, 50 + i * 10 );
					 break;
				 case 3:
					 g.drawOval( 10 + i * 10, 10 + i * 10, 50 + i * 10, 50 + i * 10 );
					 break;
				 default:
					 JOptionPane.showMessageDialog( null, "Invalid value entered" );
			 } // end switch
		 } // end for
	 } // end paint()
 } // end class SwitchTest