Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Color;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;

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

public class Main {

    public static void main(String... args) {
        JPanel contentPane;
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        contentPane = new JPanel();
        contentPane.setLayout(new GridBagLayout());

        JPanel centerPanel = new JPanel();
        centerPanel.setOpaque(true);
        centerPanel.setBackground(Color.CYAN);

        GridBagConstraints gbc = new GridBagConstraints();
        gbc.anchor = GridBagConstraints.FIRST_LINE_START;
        gbc.weightx = 1.0;
        gbc.weighty = 0.9;
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.gridwidth = 2;
        gbc.fill = GridBagConstraints.BOTH;

        contentPane.add(centerPanel, gbc);

        JButton leftButton = new JButton("Left");
        JButton rightButton = new JButton("Right");
        gbc.gridwidth = 1;
        gbc.gridy = 1;
        gbc.weightx = 0.3;
        gbc.weighty = 0.1;

        contentPane.add(leftButton, gbc);

        gbc.gridx = 1;
        gbc.weightx = 0.7;
        gbc.weighty = 0.1;

        contentPane.add(rightButton, gbc);

        frame.setContentPane(contentPane);
        frame.pack();
        frame.setLocationByPlatform(true);
        frame.setVisible(true);

    }
}