comboboxdemo.java

来自「JAVA 2应用开发指南」· Java 代码 · 共 26 行

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
public class ComboBoxDemo extends JFrame{
  private JComboBox combox;
  private String[] items={"Item one","Item two","Item three"};
  public ComboBoxDemo(){
    super("JComboBox test");
    Container c=getContentPane();
    combox=new JComboBox(items);
    c.setLayout(new FlowLayout());
    c.add(combox);
    setSize(200,100);
    show();
  }
  public static void main(String args[]){
    ComboBoxDemo f=new ComboBoxDemo();
    f.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    });
  }
}