Answer : 3 Answer : 3

scratch_8.java

import java.util.HashMap;
import java.util.Map;

class Duplicates {
    public static Map<Character, Integer> countDuplicateCharacters(String string) {
        var resultMap = new HashMap<Character, Integer>();

        for (int i = 0; i < string.length(); i++) {
            int c = 0;
            if(!Character.isWhitespace(string.charAt(i)))
            {
                if(resultMap.get(string.charAt(i)) == null)
                {
                    resultMap.put(string.charAt(i),1);
                }
                else {
                    int x = 0;
                    x = resultMap.get(string.charAt(i));
                    resultMap.put(string.charAt(i), x + 1);
                }
            }

        }
        return resultMap;
    }

    public static void main(String[] args) {
        String message = "Competitive Programming Can Be A Little Bit Tricky!";
        System.out.println(countDuplicateCharacters(message));
    }
}
//Aryan Dixit
//191500156
// G - 35