Java tutorial
import javax.swing.JFrame; import javax.swing.JLabel; public class JFramePack { public static void main(String[] args) { JFrame.setDefaultLookAndFeelDecorated(true); JFrame frame = new JFrame(); frame.setTitle("My First Swing Application"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JLabel label = new JLabel("Welcome"); frame.add(label); frame.pack(); frame.setVisible(true); } }