what the cluck

class MyGenericArrayList<E> {
private int size;     // number of elements
private int index = 0;
private Object[] elements;

public MyGenericArrayList(int size) {  // constructor
   elements = new Object[size];  // allocate initial capacity of 10
   this.size = size;
}

public void add(E e) {
      elements[index] = e;
      index++;
}