Java Code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class HelloInJapanese extends JPanel {

  static JFrame frame;

  static String helloInJapanese = "Hello in Japanese is konnichi wa, \u4eca\u65e5\u306f.";

  public HelloInJapanese(String characters) {
    Font theFont = new Font("Bitstream Cyberbit", Font.PLAIN, 20);
    JTextArea area = new JTextArea(characters, 2, 30);
    area.setFont(theFont);
    area.setLineWrap(true);
    JScrollPane scrollpane = new JScrollPane(area);
    add(scrollpane);
  }

  public static void main(String argv[]) {

    HelloInJapanese japanesePanel = new HelloInJapanese(helloInJapanese);

    frame = new JFrame("Hello in Japanese");
    frame.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {System.exit(0);}
    });
    frame.getContentPane().add("Center", japanesePanel);
    frame.pack();
    frame.setVisible(true);
  }
}