Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

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

public class Main extends JFrame {
    final JButton b = new JButton("Add");
    int size = 10;

    public Main() {
        setSize(300, 150);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setLayout(new FlowLayout());
        add(b);
        b.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent ev) {
                b.setFont(new Font("Dialog", Font.PLAIN, ++size));
                b.revalidate();
            }
        });
        setVisible(true);
    }

    public static void main(String[] args) {
        new Main();
    }
}