Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

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

public class Main {

    public static void main(String[] args) {
        final JFrame frame = new JFrame(Main.class.getSimpleName());
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JPanel btmPanel = new JPanel(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.weighty = 1.0;
        gbc.weightx = 1.0;
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.insets = new Insets(5, 5, 5, 5);
        gbc.anchor = GridBagConstraints.NORTH;
        JButton comp = new JButton("Panel-1");
        btmPanel.add(comp, gbc);
        JButton comp2 = new JButton("Panel-2");
        btmPanel.add(comp2, gbc);
        JButton comp3 = new JButton("Panel-3");
        comp3.setPreferredSize(new Dimension(comp.getPreferredSize().width, comp.getPreferredSize().height + 10));
        btmPanel.add(comp3, gbc);
        frame.add(btmPanel);
        frame.pack();
        frame.setVisible(true);
    }
}