fonttest.java

java练习程序

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

public class FontTest extends Applet implements ActionListener
{
	Button Btn1,Btn2,Btn3,Btn4;
	TextField text1;
	TextArea text2;
	Font f1,f2,f3,f4,f5;
	Toolkit toolkit1;
	public void init()
	{
		f1=new Font("Hei",Font.PLAIN,18);
		f1=new Font("Hei",Font.BOLD,10);
		f1=new Font("Hei",Font.ITALIC,12);
		f1=new Font("Courier",Font.PLAIN,12);
		f1=new Font("TimesRoman",Font.BOLD+Font.ITALIC,14);
		toolkit1=getToolkit();
		text1=new TextField(15);
		text2=new TextArea(15,15);
		
		Btn1=new Button("保存");
		Btn1.setBackground(Color.red);
		Btn1.setForeground(Color.blue);
		Btn2=new Button("确定");
		Btn2.setFont(f2);
		Btn1.setBackground(Color.blue);
		Btn1.setForeground(Color.red);
		Btn3=new Button("老猫");
		Btn3.setForeground(Color.red);

		text1.setBackground(Color.cyan);
		text1.setForeground(Color.red);
		text2.setBackground(Color.green);
		text2.setForeground(Color.yellow);
		text2.setFont(f3);

		
		add(text1);
		add(Btn1);
		add(Btn2);
		add(Btn3);
		add(text2);
		Btn1.addActionListener(this);
		Btn2.addActionListener(this);
        }

        public void actionPerformed(ActionEvent e)
        {
        	if(e.getSource()==Btn2)
        	{
        		for(int i=0;i<=2;i++)
        		{
        			toolkit1.beep();
        			Btn1.setFont(f4);
        			Btn1.setForeground(Color.red);
        			Btn1.setBackground(Color.green);
        			Btn1.setSize(60,40);
        			text1.setVisible(false);
        			text2.setForeground(Color.red);
        			text2.setFont(f5);
        		}
        	}
        	else if(e.getSource()==Btn3)
        	{
        		for(int i=0;i<=6;i++)
        		{
        			toolkit1.beep();
        			Btn1.setFont(f4);
        			Btn1.setBackground(Color.green);
        			Btn1.setForeground(Color.red);
        			Btn1.setSize(40,60);
        			text1.setVisible(true);
        			text2.setForeground(Color.blue);
        			Btn1.setBackground(Color.red);
        			text2.setFont(f1);
        			text1.setLocation(120,200);
        		}
        	}
        }
}