scrollpanedemo1.java

来自「java 完全探索的随书源码」· Java 代码 · 共 57 行

// ScrollPaneDemo1.java

import javax.swing.*;

import java.awt.event.*;

import java.util.*;

class ScrollPaneDemo1 extends JFrame
{
   ScrollPaneDemo1 (String title)
   {
      super (title);

      addWindowListener (new WindowAdapter ()
                         {
                             public void windowClosing (WindowEvent e)
                             {
                                System.exit (0);
                             }
                         });

      Vector v = new Vector ();
      v.add ("Cow");
      v.add ("Pig");
      v.add ("Tiger");
      v.add ("Aardvark");
      v.add ("Lion");
      v.add ("Horse");
      v.add ("Cheetah");
      v.add ("Zebra");
      v.add ("Seal");
      v.add ("Donkey");
      v.add ("Gorilla");
      v.add ("Chimpanzee");
      JList animals = new JList (v);
      animals.setSelectedIndex (0);

      // Uncomment the following line to make it possible to ONLY
      // select a single item at a time.

      // animals.setSelectionMode (ListSelectionModel.SINGLE_SELECTION);

      JScrollPane jsp = new JScrollPane ();
      jsp.setViewportView (animals);
      getContentPane ().add (jsp);

      setSize (250, 200);
      setVisible (true);
   }

   public static void main (String [] args)
   {
      new ScrollPaneDemo1 ("ScrollPane Demo1");
   }
}