import java.awt.event.ActionListener;
  

  

  import javax.swing.JFrame;
  

  import javax.swing.JMenu;
  

  import javax.swing.JMenuBar;
  

  import javax.swing.JRadioButtonMenuItem;
  

  public class Try {
  

  public static void main(String[] args) {
  

  MyMenuFrame frame=new MyMenuFrame();
  

  

  

  }
  

  }
  

  class MyMenuFrame extends JFrame {
  

  MyMenuFrame(){
  

  this.setSize(400,300);
  

  JMenuBar  menuBar = new JMenuBar();
  

  this.setJMenuBar(menuBar);
  

  JMenu fileMenu = new JMenu("File");
  

  JMenu fromatMenu = new JMenu("Fromat");
  

  menuBar.add(fileMenu);
  

  menuBar.add(fromatMenu);
  

  JMenu colorItem = new JMenu("color");
  

  JMenu fontItem = new JMenu("font");
  

  fromatMenu.add(colorItem);
  

  fromatMenu.add(fontItem);
  

  JRadioButtonMenuItem black =new JRadioButtonMenuItem("Black");
  

  JRadioButtonMenuItem blue =new JRadioButtonMenuItem("Blue");
  

  JRadioButtonMenuItem red =new JRadioButtonMenuItem("Red");
  

  JRadioButtonMenuItem green =new JRadioButtonMenuItem ("Green");
  

  JRadioButtonMenuItem plain = new JRadioButtonMenuItem("Plain");
  

  JRadioButtonMenuItem blod =new JRadioButtonMenuItem("Bold");
  

  JRadioButtonMenuItem italic =new JRadioButtonMenuItem("Italic");
  

  

  colorItem.add(black );
  

  colorItem.add(blue) ;
  

  colorItem.add(red );
  

  colorItem.add(green);
  

  fontItem.add(plain);//常规
  

  fontItem.add(blod);//加粗
  

  black.addActionListener(( this );
  

  

  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  

  this.setVisible(true);}
  

  

  }