Java Swing JButton set button size

/**
 * @author L a u tturi.com
 * Java Swing Example: set the size of button jbutton  in java swing
 */
public class Lautturi {
	public static void main(String[] args) {
		
		JFrame frame = new JFrame("Java Swing - lautturi");

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(500, 300);
		frame.setLocationRelativeTo(null);
		frame.setLayout(null);
		
    	JButton button1 = new JButton("button1");
    	button1.setBounds(50,100,80,40);
    	frame.add(button1);
		
		frame.setVisible(true);
	}
}