Ex2_Generate3LetterWords

package javaLoopsMethodsClasses;

import java.util.Scanner;

public class Ex2_Generate3LetterWords {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        String input = in.next();
        char[] givenLetters = input.toCharArray();

        findCombinations(givenLetters, "");
    }

    public static void findCombinations(char[] givenLetters, String curr) {

        if (curr.length() == 3) {
            System.out.println(curr);

        } else {
            for (int i = 0; i < givenLetters.length; i++) {
                String oldCurr = curr;
                curr += givenLetters[i];
                findCombinations(givenLetters, curr);
                curr = oldCurr;
            }
        }
    }

}