debug14_4.java

来自「北京大学出版社的」· Java 代码 · 共 30 行

package questions.c14;
import javax.swing.*;
import java.awt.*;
public class Debug14_4 extends JApplet {
   public void init() {
      JLabel label = new JLabel( "Please choose your "
                               + "pizza toppings:" );
      JList list = new JList( 10, true );
      JPanel buttonPanel = new JPanel();
      JButton order = new JButton( "Order Pizza" );
      JButton cancel = new JButton( "Cancel Order" );
      buttonPanel.add( order );
      buttonPanel.add( cancel );

      int index = 1;
      String choice = getParameter( Choice + index );
      while ( choice != null ) {
         list.add( choice );
         ++index;
         choice = getParameter( Choice + index );
      }

      Container cp = getContentPane();
      cp.setLayout( new BorderLayout( 10, 10 ) );
      cp.add( label, BorderLayout.NORTH );
      cp.add( list, BorderLayout.CENTER );      
      cp.add( buttonPanel, BorderLayout.SOUTH );
      setSize( 200, 300 );
   }
}