RepeatedLetterCount.java

import java.util.Arrays;
import java.util.ArrayList;

public class RepeatedLetterCount {

    public static void main(String[] args) {
        String input = "Good friend is needed";
        String[] words = input.split(" ");
        int c=0;
        for (int i=0; i<words.length; i++) {
            ArrayList<String> ar = new ArrayList<String>();
            for (int j=0; j<words[i].length(); j++) {
                c = 1;
                if (!ar.contains (words[i].substring(j, j+1))) {
                    ar.add(words[i].substring(j, j+1));
                    for (int k=j+1; k<words[i].length(); k++) {
                        if (words[i].charAt(j) == words[i].charAt(k)) {
                            c++;
                        } // if
                    } // for
                    if (c>1) {
                        words[i] += c;
                    } // if
                } // if
            } // for
            System.out.print(words[i]+" ");
        } // for i
        System.out.println();
    } // main()

} // class RepeatedLetterCount