The ArrayList Class

• Provides an array-based list that "shrinks" and "grows"
• AP Required Methods

  int size()
  returns the number of elements in the list

  boolean add(Object x)
  appends x to end of list, returns true

  void add(int index, Object x)
  inserts x at index position, sliding elements at index and higher to the right and adjusts size

  Object get(int index)
  returns the element at the specified index

  Object set(int index, Object x)
  replaces the element at index with x returns the element formerly at index position

  Object remove(int index)
  removes element at index, sliding elements at index + 1 and higher to the left and adjusts size, returns element formerly at index