public class PresidentQuiz {

	public static void main(String[] args) {
		Integer correct = 0;
		Map<Integer, String> president1 = new HashMap<Integer, String>();
		president1.put(35, "Kennedy");
	    president1.put(36, "Johnson");
	    president1.put(37, "Nixon");
	    president1.put(38, "Ford");
	    president1.put(39, "Carter");
	    president1.put(40, "Reagan");
	    president1.put(41, "George Bush");
	    president1.put(42, "Clinton");
	    president1.put(43, "George W Bush");
	    president1.put(44, "Obama");
	    System.out.println("Size of map: " + president1.size());

        Map<Integer, String> president2 = new TreeMap<Integer, String>(president1);
		Set set1 = president2.entrySet();
        Iterator iterator1 = set1.iterator();
        while(iterator1.hasNext()) {
             Map.Entry me = (Map.Entry)iterator1.next();
             System.out.print("President #" + me.getKey() + ": ");
             System.out.println(me.getValue());
        	}
        HashSet<Integer> randint = new HashSet<Integer>();
        while(randint.size() < 5) {
        	randint.add((int) (Math.random() * ((44 - 35) + 1) + 35));
        }
        System.out.println();
        System.out.println("Presidents Quiz");
        System.out.println();
        Iterator<Integer> iterator2 = randint.iterator();
        Scanner input = new Scanner(System.in);
        while(iterator2.hasNext()) {
        	System.out.println("Who was president #" + iterator2.next() + "?");
        	String pres = input.next();
        // Check to see if name entered is correct and add to correct variable if so
        	String name = president1.get(iterator2.next());
        	if (name == pres) {
        		correct += 1;
		}
        }
        // Print correct score
        System.out.println("Your score was " + correct);
        System.out.println();
        // Want to sort names in alphabetical order
        System.out.println("Here are the last 10 presidents in alphabetical order:");

        }
	}