RootExample3.java Source code

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Introduction

Here is the source code for RootExample3.java

Source

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

public class RootExample3 extends JFrame {
    public RootExample3() {
        super("RootPane Menu Demo");
        setSize(220, 100);
        setDefaultCloseOperation(EXIT_ON_CLOSE);

        JMenuBar bar = new JMenuBar();
        JMenu menu = new JMenu("File");
        bar.add(menu);
        menu.add("Open");
        menu.add("Close");
        setJMenuBar(bar);

        getContentPane().add(new JButton("Hello World"));
    }

}

class MainClass {
    public static void main(String[] args) {
        RootExample3 re3 = new RootExample3();
        re3.setVisible(true);
    }

}