import java.awt.*; import java.awt.event.*; import java.applet.*; public class GuessExample extends Applet implements ActionListener int number;Label 提示条;TextField 输入框;Button buttonGetNumber,buttonEnter; public void init()buttonGetNumber=new Button(“得到一个随机数“);提示条=new Label(“无反馈信息“,Label.CENTER);提示条.setBackground(Color.green);输入框=new TextField(“0“,5); buttonEnter=new Button(“确定“);buttonEnter.addActionListener(this);buttonGetNumber.addActionListener(this);add(new Label(“ 获取 1-100 之间随机数：“);add(buttonGetNumber);add(new Label(“ 输入您的猜测:“);add(输入框);add(new Label(“ 单击确定按钮：“);add(buttonEnter);add(new Label(“ 反馈信息“);add(提示条);public void actionPerformed(ActionEvent e) if(e.getSource()=buttonGetNumber) number=(int)(Math.random()*100)+1;提示条.setText(“ 输入你的猜测：“);else if(e.getSource()=buttonEnter) int guess=0;try guess=Integer.parseInt(输入框.getText();if(guess=number) 提示条.setText(“ 猜对了！“);else if(guessnumber) 提示条.setText(“ 猜大了！“);输入框.setText(null); else if(guessnumber) 提示条.setText(“ 猜小了！“);输入框.setText(null); catch(NumberFormatException event) 提示条.setText(“请输入数字字符“);