Java Grid Bag Layout (GridBagLayout) - Example

GridBagLayout gridBagLayout = new GridBagLayout();

package com.java.myapp;

import java.awt.EventQueue;
import javax.swing.JButton;
import javax.swing.JFrame;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;


public class MyForm extends JFrame {
    
	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				MyForm frame = new MyForm();
				frame.setVisible(true);
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public MyForm() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 457, 173);
		setTitle("ThaiCreate.Com GUI Tutorial");
		
		GridBagLayout gridBagLayout = new GridBagLayout();
		gridBagLayout.columnWidths = new int[]{0, 0, 0, 0, 0};
		gridBagLayout.rowHeights = new int[]{0, 0, 0, 0};
		gridBagLayout.columnWeights = new double[]{0.0, 0.0, 0.0, 0.0, Double.MIN_VALUE};
		gridBagLayout.rowWeights = new double[]{0.0, 0.0, 0.0, Double.MIN_VALUE};
		getContentPane().setLayout(gridBagLayout);
		
		JButton btn1 = new JButton("Button 1");
		GridBagConstraints gbc_btn1 = new GridBagConstraints();
		gbc_btn1.insets = new Insets(0, 0, 5, 5);
		gbc_btn1.gridx = 0;
		gbc_btn1.gridy = 0;
		getContentPane().add(btn1, gbc_btn1);
		
		JButton btn2 = new JButton("Button 2");
		GridBagConstraints gbc_btn2 = new GridBagConstraints();
		gbc_btn2.insets = new Insets(0, 0, 5, 5);
		gbc_btn2.gridx = 1;
		gbc_btn2.gridy = 1;
		getContentPane().add(btn2, gbc_btn2);
		
		JButton btn3 = new JButton("Button 3");
		GridBagConstraints gbc_btn3 = new GridBagConstraints();
		gbc_btn3.insets = new Insets(0, 0, 5, 0);
		gbc_btn3.gridx = 3;
		gbc_btn3.gridy = 1;
		getContentPane().add(btn3, gbc_btn3);
		
		JButton btn4 = new JButton("Button 4");
		GridBagConstraints gbc_btn4 = new GridBagConstraints();
		gbc_btn4.insets = new Insets(0, 0, 0, 5);
		gbc_btn4.gridx = 2;
		gbc_btn4.gridy = 2;
		getContentPane().add(btn4, gbc_btn4);

	}
	
}