java代码示例（2）

/**
 * 目的：求各位之和
 * @author chenyanlong
 * 时间：2017/10/14
 */
package com.hp.test02;

import java.util.Scanner;

public class HS_LuckyNumSum {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int num;
        System.out.println("请输入4位会员卡号:");

        Scanner input=new Scanner(System.in);
        num=input.nextInt();
        System.out.println("会员卡号是："+num);

        System.out.println("千位："+num/1000);
        System.out.println("百位:"+num/100%10);
        System.out.println("十位:"+num/10%10);
        System.out.println("个位:"+num%10);

        int  sum=num/1000+num/100%10+num/10%10+num%10;

        System.out.println("会员卡号"+num+"各位之和:"+sum);
	}

}

　　

 /**
  * 目的：在控制台打印个人简历信息
  * @author chenyanlong
  * 时间：2017/10/14
  */
 package com.hp.test02;

 public class HS_ShowMessage {

     public static void main(String[] args) {
         // TODO Auto-generated method stub
         String name="黑石";
         int age=22;
         char sex='男';
         String position="java工程师";

         System.out.println("姓名："+name);
         System.out.println("年龄："+age);
         System.out.println("性别:"+sex);
         System.out.print("职位:"+position);

     }
 }

 /**
  * 目的：Scanner的基本用法
  * @author chenyanlong
  * 时间：2017/10/14
  */
 package com.hp.test02;

 import java.util.Scanner;//导入的Scanner类

 public class HS_TypeChange {

     public static void main(String[] args) {
         // TODO Auto-generated method stub
       int number;//会员卡号
       System.out.println("请输入会员卡号");

       Scanner input=new Scanner(System.in);//System.in系统键盘输入
       number=input.nextInt();
       System.out.println("会员卡号为："+number);
     }

 }