Java tutorial
import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.event.ComponentAdapter; import java.awt.event.ComponentEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class Main extends JFrame { JPanel flowPanel = new JPanel(new FlowLayout()); public Main() { setPreferredSize(new Dimension(300, 300)); getContentPane().setLayout(new BorderLayout()); flowPanel.add(new JLabel("One")); flowPanel.add(new JLabel("Two")); flowPanel.add(new JLabel("Three")); flowPanel.add(new JLabel("Four")); flowPanel.add(new JLabel("Five")); getContentPane().add(flowPanel, BorderLayout.NORTH); addComponentListener(new ComponentAdapter() { public void componentResized(ComponentEvent e) { Main.this.getContentPane().remove(flowPanel); Main.this.getContentPane().add(flowPanel); } }); } public static void main(String[] args) { final Main frame = new Main(); frame.setDefaultCloseOperation(EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); } }