Java tutorial
import javax.swing.JFrame; import javax.swing.JLabel; public class Main { public static void main(String[] argv) throws Exception { final String title = "Testing: \u30CD"; JFrame frame = new JFrame(title); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); JLabel label = new JLabel(title); label.setSize(200, 100); frame.setContentPane(label); frame.pack(); frame.setVisible(true); } }