import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;
public class innerClassTest extends JApplet{
       JButton jButton1=new JButton();
        static int a=345;
        private char b='H';
static interface staticInterface{};             //靜態(tài)成員接口 
static class staticMemberClass{};           //靜態(tài)成員類
public class memberClass{};                  //成員類
public void init() {
String  c ="I love Java";
class localClass{};
this.getContentPane().add(jButton1, BorderLayout.CENTER);
jButton1.addActionListener(new java.awt.event.ActionListener() {         //匿名類
                        public void actionPerformed(ActionEvent e) {
                                jButton1_actionPerformed(e);
                         }
                }); 
       }
       void jButton1_actionPerformed(ActionEvent e) {  }
}