Java tutorial
import javax.swing.JFrame; import javax.swing.UIManager; public class Main { public static void main(String[] args) { try { UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName()); } catch (Exception e) { System.err.println("Look and feel not set."); } JFrame aWindow = new JFrame("This is the Window Title"); aWindow.setBounds(50, 100, 300, 300); aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); aWindow.setVisible(true); } }