test.java

实例精华

import javax.swing.*;
public class Test
{
	JFrame f ;
	JMenuBar jmb;
	JMenu m1,m2,m3;
	JMenuItem mi1,mi2,mi3;
	JButton b;
	public Test()
	{
		f = new JFrame();
		jmb = new JMenuBar();
		f.setJMenuBar(jmb);
		m1 = new JMenu("菜单1");
	    m2 = new JMenu("菜单2");
	    m3 = new JMenu("菜单3");
	    mi1 =new JMenuItem("button",new ImageIcon("MIDDLE.GIF"));
	    mi2 =new JMenuItem("button");
	    mi3 =new JMenuItem("button",new ImageIcon("MIDDLE.GIF"));
	    m1.add(mi1);
	    m1.add(mi2);
	    m1.addSeparator();
	    m1.add(m3);
	    m3.add(mi3);
	    jmb.add(m1);
	    jmb.add(m2);
	    f.setSize(200,200);
	    f.show();
	}
	
	public static void  main(String[] args)
	{
		
		new Test();
		
	}
	
}