Just Java™ 2

Exercises

1. (Collections) Here is the outline of a class that provides access to its data structure through an iterator. Write the iterator.

   class storage {    private Object[] data = new Object[256];    // don't allow access to anything not yet stored    private int nextEmptySlot = 0;    private int i=0;    public Iterator iterator() {       // returns a class that iterates over the data array       return new Iterator() {       // insert the body of the inner class here       // 3 methods: remove(), hasNext(), next()      };    }}

2. (Collections) Take the storage class from the previous question and add all the code necessary to make it implement the Collection interface. Make the type of the object stored a generic parameter. Limit the ...