letterCombo

package com.Ch1_ArraysAndStrings;

import java.util.Scanner;

public class Pr_LetterCombo18thDec2016 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        char firstChar = scan.nextLine().charAt(0);
        char lastChar = scan.nextLine().charAt(0);
        char ignoreChar = scan.nextLine().charAt(0);

        int count = 0;

        for (char a = firstChar; a <= lastChar; a++) {
            for (char b = firstChar; b <= lastChar; b++) {
                for (char c = firstChar; c <= lastChar; c++) {
                    if (a == ignoreChar || b == ignoreChar || c == ignoreChar) {
                        continue;
                    }
                    count++;
                    System.out.printf("%c%c%c ", a, b, c);
                }
            }
        }

        System.out.printf("%d", count);
    }
}