Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Component;
import java.awt.Container;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

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

public class Main {

    public static void main(String[] a) {
        final JFrame frame = new JFrame("GridBagLayout");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLayout(new GridBagLayout());
        JButton button;

        button = new JButton("One");
        addComponent(frame, button, 0, 0, 1, 1, GridBagConstraints.CENTER, GridBagConstraints.NONE);
        button = new JButton("Two");
        addComponent(frame, button, 1, 0, 1, 1, GridBagConstraints.CENTER, GridBagConstraints.NONE);

        button = new JButton("Three");
        addComponent(frame, button, 0, 1, 2, 1, GridBagConstraints.CENTER, GridBagConstraints.NONE);

        button = new JButton("Four");
        addComponent(frame, button, 0, 2, 1, 1, GridBagConstraints.CENTER, GridBagConstraints.NONE);
        frame.setSize(500, 200);
        frame.setVisible(true);
    }

    private static void addComponent(Container container, Component component, int gridx, int gridy, int gridwidth,
            int gridheight, int anchor, int fill) {
        Insets insets = new Insets(0, 0, 0, 0);
        GridBagConstraints gbc = new GridBagConstraints(gridx, gridy, gridwidth, gridheight, 1.0, 1.0, anchor, fill,
                insets, 0, 0);
        container.add(component, gbc);
    }
}