// Fig. 5.7: SwitchTest.java // 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 /************************************************************************** * (C) Copyright 1999 by Deitel & Associates, Inc. and Prentice Hall. * * All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * *************************************************************************/