猜数字小游戏

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主类：

import java.awt.*;public class 猜数字 {public static void main(String[] args) { window win=new window(); win.setTitle("猜数字"); win.setBounds(100, 100, 300, 300); Container c=win.getContentPane(); c.setBackground(Color.green);//设置背景颜色}}

window类

import javax.swing.*;import java.awt.*;public class window extends JFrame{JButton button1,button2;JLabel b1;JTextField text;    public window(){    init();    setVisible(true);    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    }    void init(){    setLayout(new FlowLayout());    button1=new JButton("(点击)得到一个随机数");    add(button1);    text =new JTextField(10);    b1=new JLabel("");    add(b1);    add(text);    button2=new JButton("确定");    add(button2);    action ac=new action();    ac.setJlabel(b1);    ac.settext(text);    button1.addActionListener(ac);    action2 a=new action2();    a.setabel(b1);    a.settext(text);    button2.addActionListener(a);    }}

action类

import java.awt.event.*;import javax.swing.*;import java.util.Random;public class action implements ActionListener{  int num;  JLabel abel;  JTextField text;  public void setJlabel(JLabel abel){  this.abel=abel;  }  public void settext(JTextField text){  this.text=text;  }  JButton b1=new JButton("(点击)得到一个随机数");  JButton b2=new JButton("确定");  public void actionPerformed(ActionEvent e) {  Random rd=new Random();   num=rd.nextInt(100)+1;   abel.setText("请输入你的猜测");   init();  }  int init(){ return num;   }}

action2类

import java.awt.event.*;import javax.swing.*;public class action2 implements ActionListener{action a=new action();int num=a.init();JTextField text;JLabel abel;public void settext(JTextField text){this.text=text;}public void setabel(JLabel abel){this.abel=abel;}public void actionPerformed(ActionEvent e){ int guess=0;   try{   guess=Integer.parseInt(text.getText());   if(guess==num){   abel.setText("猜对了!");   }   if(guess>num){   abel.setText("猜大了!");   text.setText(null);   }   if(guess<num){   abel.setText("猜小了!");   text.setText(null);   }   }   catch(NumberFormatException event){   abel.setText("请输入数字字符!");   text.setText(null);   }   }}

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