SayHello.java

SayHello.java

import java.awt.*;
import java.awt.event.*;

public class SayHello extends Frame
{
String message = "Hello， 歡迎來到Java世界！";
Font f; 
SayHello(String title)
{
super(title);
setLayout(null);
f = new Font("標楷體", Font.BOLD, 24); //建立輸出字型為標楷體
setFont(f); //設定輸出字型
}
public void paint(Graphics g) 
{
g.setColor(Color.red);
g.drawString(message, 25, 100);
}

public static void main(String[] args) 
{
SayHello frm = new SayHello("顯示字串");
frm.setSize(400, 300);
frm.setLocation(350,250);
frm.setVisible(true);
}
}