Practice-Coding-/Most Frequent Digit at main · Yamini-525/Practice-Coding- · GitHub

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// Online Java Compiler
// Use this editor to write, compile and run your Java code online
import java.util.*;
import java.io.*;
class HelloWorld {
    public static void main(String[] args) {
       Scanner sc=new Scanner(System.in);
       int input1=sc.nextInt();
        int input2=sc.nextInt();
         int input3=sc.nextInt();
          int input4=sc.nextInt();
 String s1=String.valueOf(input1);
       String s2=String.valueOf(input2);
       String s3=String.valueOf(input3);
       String s4=String.valueOf(input4);
       String s=s1+s2+s3+s4;
        char[] ch=s.toCharArray();
       Map<Character,Integer> m1=new HashMap<>();
       for(int i=0;i<ch.length;i++)
       {
           if(m1.containsKey(ch[i]))
           {
                int count=m1.get(ch[i]);
                count=count+1;
                m1.put(ch[i],count);
           }
           else
           {
               m1.put(ch[i],1);
           }
       }
       int maxcount=0;
       char maxkey='0';
       int maxk=(int)maxkey;
       for(Map.Entry<Character,Integer> m2:m1.entrySet())
       {
           char key=m2.getKey();
           int value=m2.getValue();
           int ke=(int)key;

           if(value>maxcount)
           {
               maxcount=value;
               maxkey=key;

           }else if(maxcount==value){
               if(ke>maxk){
                   maxkey=key;
               }
           }

       }
      int result = Character.getNumericValue(maxkey);
     System.out.println(result);
    }
}