Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Container;

import javax.swing.JButton;
import javax.swing.JFrame;

public class Main {
    public static void main(String[] args) {
        JFrame frame = new JFrame("JFrame");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container contentPane = frame.getContentPane();

        // Add a close button
        JButton closeButton = new JButton("Close");
        contentPane.add(closeButton);

        // set the size of the frame 300 x 200
        frame.setBounds(50, 50, 300, 200);
        frame.setVisible(true);
    }
}