MaxCharacter.java

import java.io.*;
import java.util.*;

public class MaxCharacter
{  
     public static void main(String[] args) {  
        System.out.println("Enter the string ::");
        Scanner sc= new Scanner(System.in);
        String str = sc.next();
        int[] freq = new int[str.length()];  
        char maxChar = str.charAt(0);  
        int i, j, max;          
        char string[] = str.toCharArray();  
         
        for(i = 0; i < string.length; i++) {  
            freq[i] = 1;  
            for(j = i+1; j < string.length; j++) {  
                if(string[i] == string[j] && string[i] != ' ' && string[i] != '0') {  
                    freq[i]++;                            
                    string[j] = '0';  
                }  
            }  
        }  
        
        max = freq[0];  
        for(i = 0; i <freq.length; i++) {  
            if(max < freq[i]) {  
                max = freq[i];  
                maxChar = string[i];  
            }  
        }   
                      
        System.out.println("Maximum occurring character in the given string : " + maxChar);  
    }  
}