import java.util.HashMap;
import java.util.Set;
public class SemifinalatSchool {

	public static void main(String[] arg){

		String[] names = {"Bob", "Cindy", "Tony", "Julie", "Tony", "Julie"};

		HashMap<String, Integer> hashMap = new HashMap<String, Integer>();

		for (int i = 0; i < names.length; i++)
			hashMap.put(names[i], 1);

		if (names.length == hashMap.size())
		    System.out.println("Array has unique elements");
		else
			System.out.println("Array does not have unique elements");

		Set<String> keys = hashMap.keySet();
		for (String key: keys)
			System.out.println(key);

		hashMap.clear();
		int value = 0;

		for (int i = 0; i < names.length; i++)
			if(hashMap.containsKey(names[i])){
				value = hashMap.get(names[i]).intValue();
				hashMap.put(names[i], ++value);

			}
			else
				hashMap.put(names[i], 1);
		System.out.println(hashMap);

					}

		}