密码强度等级

package oj.test;

import java.util.*;
import java.util.regex.Pattern;

public class Demo4 {

/**
  * @密码强度等级
  *
  *  
  */
 public static void main(String[] args) {
  Scanner sc = new Scanner(System.in);
  String str = sc.nextLine();
  
  fun(str);
  
 
 }

 private static void fun(String str) {
  
  int len = str.length();
  int lowercase = 0;
  int uppercase = 0;
  int number = 0;
  int otherletter = 0;
  int score = 0;
  
  char[] ch = str.toCharArray();
  for(char x : ch){
   if(Character.isDigit(x)){
    number++;
   }else if(Character.isUpperCase(x)){
    uppercase++;
   }else if(Character.isLowerCase(x)){
    lowercase++;
   }else
    otherletter++;
  }
  
  //len
  if(len<=4)
   score +=5;
  else if(len<=7)
   score +=10;
  else if(len>=8)
   score +=25;
  
  //case
  if(uppercase==0 || lowercase==0)
   score +=10;
  else if(uppercase>0 && lowercase>0)
   score +=20;
  
  //number
  if(number==1)
   score+=10;
  else if(number>1)
   score+=20;
  
  //otherletter
  if(otherletter==1)
   score+=10;
  else if(otherletter>1)
   score+=25;
  
  
  if(uppercase>0 && lowercase>0 && number>0 && otherletter>0)
   score +=5;
  else if(uppercase+lowercase>0 && number>0 && otherletter>0)
   score +=3;
  else if(uppercase+lowercase>0 && number>0 )
   score +=2;
  
  //sop(score);
   if (score >= 90)
             sop("VERY_SECURE");
         else if (score >= 80)
             sop("SECURE");
         else if (score >= 70)
             sop("VERY_STRONG");
         else if (score >= 60)
             sop("STRONG");
         else if (score >= 50)
             sop("AVERAGE");
         else if (score >= 25)
             sop("WEAK");
         else
             sop("VERY_WEAK");
  
 
 }

 

 

 

 private static void sop(Object o) {
  System.out.println(o);
 }

}