Create a main menu. : Menu « Swing JFC « Java






Create a main menu.

   

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

public class Main implements ActionListener {
  Main() {
    JFrame f = new JFrame("Menu Demo");
    f.setSize(220, 200);

    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar jmb = new JMenuBar();

    JMenu jmFile = new JMenu("File");
    JMenuItem jmiOpen = new JMenuItem("Open");
    JMenuItem jmiClose = new JMenuItem("Close");
    JMenuItem jmiSave = new JMenuItem("Save");
    JMenuItem jmiExit = new JMenuItem("Exit");
    jmFile.add(jmiOpen);
    jmFile.add(jmiClose);
    jmFile.add(jmiSave);
    jmFile.addSeparator();
    jmFile.add(jmiExit);
    jmb.add(jmFile);

    JMenu jmOptions = new JMenu("Options");
    JMenu a = new JMenu("A");
    JMenuItem b = new JMenuItem("B");
    JMenuItem c = new JMenuItem("C");
    JMenuItem d = new JMenuItem("D");
    a.add(b);
    a.add(c);
    a.add(d);
    jmOptions.add(a);

    JMenu e = new JMenu("E");
    e.add(new JMenuItem("F"));
    e.add(new JMenuItem("G"));
    jmOptions.add(e);

    jmb.add(jmOptions);

    JMenu jmHelp = new JMenu("Help");
    JMenuItem jmiAbout = new JMenuItem("About");
    jmHelp.add(jmiAbout);
    jmb.add(jmHelp);

    jmiOpen.addActionListener(this);
    jmiClose.addActionListener(this);
    jmiSave.addActionListener(this);
    jmiExit.addActionListener(this);
    b.addActionListener(this);
    c.addActionListener(this);
    d.addActionListener(this);
    jmiAbout.addActionListener(this);

    f.setJMenuBar(jmb);
    f.setVisible(true);
  }
  public void actionPerformed(ActionEvent ae) {
    String comStr = ae.getActionCommand();
    System.out.println(comStr + " Selected");
  }
  public static void main(String args[]) {
    new Main();
  }
}

   
    
    
  








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