import javax.swing.JOptionPane;

public class DisplayUnicode {
  public static void main(String[] args) {
    JOptionPane.showMessageDialog(null,
      "\u6B22\u8FCE \u03b1 \u03b2 \u03b3",
      "\u6B22\u8FCE Welcome",
      JOptionPane.INFORMATION_MESSAGE);
  }
}