华为西安2015实习生机试题基础题--------求输入的五个数字中频率最高的，输出数字和次数

package test;

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

int a = 0;

int b = 0;

int c = 0;

int d = 0;

int e = 0;

int f = 0;

int g = 0;

int h = 0;

int k = 0;

int l= 0;

Scanner s=new Scanner(System.in);

String input=s.nextLine();

char[]arr=input.toCharArray(); //转换为数组

//统计各个数字频率

for (int i = 0; i < arr.length; i++) {

switch(arr[i]){

case '0':a++;break;

case '1':b++;break;

case '2':c++;break;

case '3':d++;break;

case '4':e++;break;

case '5':f++;break;

case '6':g++;break;

case '7':h++;break;

case '8':k++;break;

case '9':l++;break;

}

}

int[]arr2={a,b,c,d,e,f,g,h,k,l};

int max = arr2[0];

int index=0;

for(int j=0;j<arr2.length;j++){

if(arr2[j]>max){

max=arr2[j];

index=j;

}

}

System.out.println("出现次数最多的是："+index);

System.out.println("出现的次数是："+max);

}

}