检测密码 Exercise06_18 

 1 import java.util.Scanner;
 2 /**
 3  * @author 冰樱梦
 4  * 时间：2018年下半年
 5  * 题目：检测密码
 6  *
 7  */
 8 public class Exercise06_18 {
 9     public static void main(String[] args){
10         Scanner input = new Scanner(System.in);
11         System.out.println("输入密码: ");
12         String passWord=input.nextLine();
13         checkString(passWord);
14     }
15     public static void checkString(String password){
16         int sum=0,s=0;
17         if((password.length()>=8)){
18             for(int i=0;i<password.length();i++){
19                 if((('a'<=password.charAt(i))&&(password.charAt(i)<='z')) || (('A'<=password.charAt(i))&&(password.charAt(i)<='Z')) || (('0'<=password.charAt(i))&&(password.charAt(i)<='9'))){
20                     s++;
21                     if(('0'<=password.charAt(i))&&(password.charAt(i)<='9')) sum++;
22                 }
23                 else System.out.println("Invalid Password");
24             }
25             if((s==password.length())&&(sum>=2)) System.out.println("Valid Password");
26         }
27         else System.out.println("Invalid Password");
28     }
29 }

 

posted @ 2018-12-25 14:43  CHERRYL  阅读(273)  评论(0)    收藏  举报