Attached sample showes the problem

import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;

public class Test extends Canvas {
    String text = new String("\u4e00\u4e01\u4e02\u4e03");
    Font font = new Font("monospaced", Font.PLAIN, 40);
    public Test(){
        super();
        setSize(600, 60);
        setBackground(Color.white);
    }

    public static void main( String[] args ) {
        Frame frame = new Frame("Test");
        frame.setLayout(new BorderLayout());
        frame.add("Center", new Test());
        frame.pack();
        frame.setVisible(true);
    }

    public void paint(Graphics g) {
        Graphics2D g2 = (Graphics2D)g;
        g2.setColor(Color.red);
System.out.println("text=" + text);
        g2.setFont(font);
        g2.drawString(text, 50, 50);
    }
}