package com.nickjedl.sunsighting; /** * @author nickjedl */ class SunSighting { public static void main(String[] args) { String[] objects = {"zon", "zak", "zee", "kak"}; Method r = new Method(); String output; for (String object: objects) { for (int i = 0; i <= objects.length - 1; i++) { for (int j = objects.length - 1; j >= 0; j--) { System.out.println("Ik heb de " + object + " zien " + r.additive(objects[i]) + " in de " + objects[j]); } } } } } class Method { public String additive(String input) { String original = input; switch (input.substring(input.length() - 1)) { case "n": return original + "nen"; case "k": return original + "ken"; case "e": return original + "ën"; } return null; } }