// TestFont.java
import java.awt.*;
import javax.swing.*;
public class TestFont extends JFrame
{
	public TestFont()
	{
		setTitle("TestFont");
		this.getContentPane().add(new MyPanel());
	}
	public static void main(String[] args)
	{
		TestFont frame = new TestFont();
		frame.setSize(200,150);
		frame.setVisible(true);
	}
}
//定义可以绘制图形的面板
class MyPanel extends JPanel
{
	public void paintComponent(Graphics g)
	{
		super.paintComponent(g);
		g.setFont(new Font("Serif",Font.PLAIN,16));
		g.drawString("Hello World!!!",20,30);

		g.setFont(new Font("Serif",Font.BOLD+Font.ITALIC,18));
		g.drawString("Hello World!!!",20,60);

		g.setFont(new Font("Dialog",Font.BOLD,20));
		g.drawString("Hello World!!!",20,100);
	}
}