学习Java的一些基本课件和源代码 对于初学者很有帮助的

				//FirstApplet.java
				import javax.swing.*;
				import java.applet.*;
				import java.awt.event.*;
				public class FirstApplet extends JApplet implements ActionListener
				{
					JTextField message;
					JButton button;
					public void init()
					{
						setLayout(null);
						message=new JTextField(50);
						message.setBounds(10,10,170,20);
						add(message);		
						button=new JButton("发送");
						button.setBounds(50,50,80,30);
				
						button.addActionListener(this);
						add(button);	
					}
					public void actionPerformed(ActionEvent e)
					{
						//得到当前运行页的环境上下文AppletContext对象，再获得另一个Applet
						SecondApplet another=(SecondApplet)getAppletContext().getApplet("SecondApplet");
						if(another!=null)
						{
						  	another.draw(message.getText());
						}
					}
				}