Java Collections Classes

import java.util.Vector;

Vector pointList = new Vector();

pointList.addElement(new Point(10, 10));

System.out.print(“vec has “ + pointList.size() +

“ elements”);

Point first = (Point) vec.elementAt(0);

Vector primes = new Vector();

primes.addElement(new Integer(2));

primes.addElement(new Integer(3));

int firstPrime =

((Integer)primes.elementAt(0)).intValue();