Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.GridLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;

public class Main extends JFrame {
    private JPanel pan;

    public Main() {

        GridLayout g = new GridLayout(3, 3);
        pan = new JPanel(g);
        pan.add(new JButton("1"));
        pan.add(new JButton("2"));
        pan.add(new JButton("3"));
        pan.add(new JButton("4"));
        pan.add(new JButton("5"));
        pan.add(new JButton("6"));
        pan.add(new JButton("7"));
        pan.add(new JButton("8"));
        pan.add(new JButton("9"));
        JLabel l = new JLabel("grid layout");
        l.setHorizontalAlignment(SwingConstants.CENTER);

        setLayout(new BorderLayout());
        add(l, BorderLayout.NORTH);
        add(pan, BorderLayout.CENTER);
        setSize(1000, 500);
        setVisible(true);
    }

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

}