inital

     * This constructor cannot be used.

     */

    private DistinctCounter() {

        state = new Integer[0];

        state = new Byte[0];

    };

    /**

     * @param stateSize The size of the memory backing, in number of integers.

     */

    public DistinctCounter(int stateSize) {

        state =new Integer[stateSize];

        state = new Byte[stateSize];

    }

    /**

     * Creates a DistinctCounter object from a given initial state.

     * @param initialState The output of a call to {@link #currentState()} on some DistinctCounter object.

     */

    public DistinctCounter(Integer[] initialState) {

        state = new Integer[initialState.length];

    public DistinctCounter(Byte[] initialState) {

        state = new Byte[initialState.length];

        for (int ii=0; ii<initialState.length; ii++)

            state[ii]=initialState[ii];

    }

    /**

     * outputs the current state of the DistinctCounter

     * */

    public Integer[] currentState() {

    public Byte[] currentState() {

        return state;

    }

    // FIELD

    final private Integer[] state;

    final private Byte[] state;

}

public class Main {

    public static void main(String[] args) {

        String[] testStrings = {"Bravo", "Alfa", "Charlie", "Kilo", "Charlie", "Alfa", "Bravo"};

        myDistinctCounter foo = new myDistinctCounter(10);

        for (String test: testStrings) {

            foo.see(test);

        }

        Byte[] savedState = foo.currentState();

        myDistinctCounter newFoo = new myDistinctCounter(savedState);

        System.out.println(newFoo.numDistinct());

    }

}