Java Popup Menu (JPopupMenu) - Swing Example

// Popup Menu
JPopupMenu popMenu = new JPopupMenu();
JMenuItem menuItem1 = new JMenuItem("Menu 1");
JMenuItem menuItem2 = new JMenuItem("Menu 2");
JMenuItem menuItem3 = new JMenuItem("Menu 3");

popMenu.add(menuItem1);
popMenu.add(menuItem2);
popMenu.add(menuItem3);

package com.java.myapp;

import java.awt.EventQueue;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JButton;

public class MyForm extends JFrame {

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				MyForm frame = new MyForm();
				frame.setVisible(true);
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public MyForm() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 362, 249);
		setTitle("ThaiCreate.Com Java GUI Tutorial");
		getContentPane().setLayout(null);

		// Popup Menu
		final JPopupMenu popMenu = new JPopupMenu();
		JMenuItem menuItem1 = new JMenuItem("Menu 1");
		JMenuItem menuItem2 = new JMenuItem("Menu 2");
		JMenuItem menuItem3 = new JMenuItem("Menu 3");

		popMenu.add(menuItem1);
		popMenu.add(menuItem2);
		popMenu.add(menuItem3);

		// Button Open
		JButton btnOpenMenu = new JButton("Open Menu");
		btnOpenMenu.setBounds(122, 71, 109, 23);
		btnOpenMenu.setAlignmentX(RIGHT_ALIGNMENT);
		btnOpenMenu.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {
				popMenu.show(e.getComponent(), e.getX(), e.getY());
			}
		});
		getContentPane().add(btnOpenMenu);

	}
}

this.addMouseListener(new MouseAdapter() {
	@Override
	public void mouseReleased(MouseEvent e) {
			popMenu.show(e.getComponent(), e.getX(), e.getY());
	}
});

package com.java.myapp;

import java.awt.EventQueue;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;

public class MyForm extends JFrame {

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				MyForm frame = new MyForm();
				frame.setVisible(true);
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public MyForm() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 362, 249);
		setTitle("ThaiCreate.Com Java GUI Tutorial");
		getContentPane().setLayout(null);

		// Popup Menu
		final JPopupMenu popMenu = new JPopupMenu();
		JMenuItem menuItem1 = new JMenuItem("Menu 1");
		JMenuItem menuItem2 = new JMenuItem("Menu 2");
		JMenuItem menuItem3 = new JMenuItem("Menu 3");

		popMenu.add(menuItem1);
		popMenu.add(menuItem2);
		popMenu.add(menuItem3);

		// Mouse Click
		this.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseReleased(MouseEvent e) {
					popMenu.show(e.getComponent(), e.getX(), e.getY());
			}
		});

	}
}