商品竞猜

来源：互联网发布：mac如何把字体放大编辑：程序博客网时间：2024/04/27 21:35

package cn.jbit.classandobject;import java.util.*;/** * GuessMachine.java *  */public class GuessMachine {   String name ;   double price;   /**    * 初始化商品信息    */    public void initial(){        int random = (int)(Math.random()*10);  //产生随机数        switch(random){          case 0:          case 1:          case 2:          case 3:           name = "公主电动车";          price = 2000;          break;          case 4:          case 5:          case 6:           name = "34寸纯平彩电";          price = 3000;          break;          case 7:          case 8:          case 9:          name = "新飞冰箱";          price = 3400;          break;          default:           break;        }      }           /**     * 猜测     */    public void guess(){    System.out.print("\n请猜测\""+ name + "\"的价格： " );    Scanner input = new Scanner(System.in);    double guessPrice = input.nextDouble();   //从键盘获取用户猜的价格;    boolean isCorrect = false;    for(int i = 0; i<3; i++){   //允许最多猜4次        if(guessPrice == price){   //判断是否猜对，并给出提示信息    System.out.println("猜对了！");    isCorrect = true;    break;

package cn.jbit.classandobject;public class Mock {public static void main(String[] args) {GuessMachine gm = new GuessMachine();gm.initial();gm.guess();}}

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