comboboxdemo1.java

来自「java 完全探索的随书源码」· Java 代码 · 共 40 行

// ComboBoxDemo1.java

import javax.swing.*;

import java.awt.event.*;

import java.util.*;

class ComboBoxDemo1 extends JFrame
{
   ComboBoxDemo1 (String title)
   {
      super (title);

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

      Vector v = new Vector ();
      v.add ("Cow");
      v.add ("Horse");
      v.add ("Pig");
      JComboBox jcb = new JComboBox (v);

      getContentPane ().add (jcb);

      setSize (200, 50);
      setVisible (true);
   }

   public static void main (String [] args)
   {
      new ComboBoxDemo1 ("Combo box Demo1");
   }
}