Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

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

public class Main {
    static int counter;

    public static void main(String[] args) {

        JFrame frame = new JFrame("JFrame");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container contentPane = frame.getContentPane();

        JButton counterButton = new JButton("Clicked #0");
        JButton closeButton = new JButton("Close");
        frame.setLayout(new FlowLayout());
        contentPane.add(closeButton);
        contentPane.add(counterButton);

        counterButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent event) {
                counterButton.setText("Clicked #" + counter++);
            }
        });

        closeButton.addActionListener(e -> System.exit(0));

        frame.pack();
        frame.setVisible(true);
    }
}