📄 root.java
字号:
package com.test;
import java.util.Scanner;
public class Root
{
public static void main(String[] args)
{
int Wi[]={7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2};// 表示第i位置上的加权因子
char[] body=new char[19];
for (int i = 0; i < 19; i++)
{
body[i] = 0;
}
char Y[]={'1','0','X','9','8','7','6','5','4','3','2'};// 效验码字符数组
System.out.print("Please input body number:");
Scanner scan = new Scanner(System.in);
body = scan.nextLine().toCharArray();
int i,sum;
sum=0;
for(i=0;i<17;i++)
{
if((body[i]-0x30)>=0&&(body[i]-0x30)<=9)
sum=sum+(body[i]-0x30)*Wi[i];
else
System.out.println("Input error please input right number\n");
}
System.out.printf("CheckSum is:%2c\n",Y[sum%11]);
}
}
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