Java tutorial
import java.awt.Container; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.SpringLayout; public class Main { public static void main(String[] args) { JFrame frame = new JFrame("SpringLayout"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Container contentPane = frame.getContentPane(); // Set the content pane's layout as SpringLayout SpringLayout springLayout = new SpringLayout(); contentPane.setLayout(springLayout); // Add two JButtons to the content pane JButton b1 = new JButton("Button 1"); JButton b2 = new JButton("Little Bigger Button 2"); contentPane.add(b1); contentPane.add(b2); frame.pack(); frame.setVisible(true); } }