ArrayList Methods
int size(); // Returns the number of elements
// currently
stored in the list
boolean isEmpty(); // Returns true if the list is empty,
// otherwise
returns false
boolean add(Object obj); // Appends obj at the end of the list;
// returns true
void add(int
i, Object obj); // Inserts obj before
the i-th element;
// increments the
indices of the
// subsequent
elements by 1
Object
set(int i, Object obj); //
Replaces the i-th element with obj;
// returns the
old value
Object
get(int i); // Returns the value of the i-th
// element
Object
remove(int i); // Removes the i-th element from the
// list and
returns its old value;
// decrements
the indices of the
// subsequent elements by 1
Note: this is an incomplete
list: see http://java.sun.com/j2se/1.4.1/docs/api/java/util/ArrayList.html
for the entire list.