Java第三章42页例3-2（彩票中奖1）_to change this template, choose tools

本文链接：https://blog.youkuaiyun.com/angeljing521/article/details/52524423

本文介绍了一个简单的Java程序，该程序通过用户输入一个整数并检查该整数中是否包含特定的数字。具体来说，程序会检查这个数字是否包含1、3、9中的任何一个，并输出相应的信息。

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Administrator.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author Administrator
 */
public class Administrator {
    public void giveMess(int number){
        if(number/10000<=0 ||number/10000>=10){
            System.out.println("please input fifth numbers");
        }
        else{
            int num1=number%10;
            int num2=number%100;
            int num3=number%1000;
            switch(num1){
                case 1:
                case 3:
                case 9:System.out.println("three!!!!");
                    break;
                default:System.out.println("no have three!!!!");
                
            }
            switch(num2){
                case 29:
                case 46:
                case 21:System.out.println("two!!!!");
                    break;
                default:System.out.println("no have two!!!!");
            }
            switch(num3){
                case 875:
                case 326:
                case 596:System.out.println("one!!!!");
                    break;
                default:System.out.println("no have one!!!!");
            }
        }
    }
            
    
}

Test.java

import java.util.Scanner;


/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author Administrator
 */
public class Test {
    public static void main(String[] args){
        Scanner reader=new Scanner(System.in);
        System.out.println("please input the number:");
        int number = reader.nextInt();
        Administrator person=new Administrator();
        person.giveMess(number);
    }
    
}