Have a look at Sun's Javadoc... http://java.sun.com/j2se/1.3/docs/api/index.html more specifically http://java.sun.com/j2se/1.3/docs/api/java/util/HashSet.html
also - this is a very offtopic question. you might find the java forums are more helpful place: http://forum.java.sun.com/ hth dim On Tue, 23 Oct 2001, paul wrote: > Is java.util.HashTable any good > > ----- Original Message ----- > From: "Dr. Evil" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Saturday, October 20, 2001 4:15 AM > Subject: Java datatypes question: the Set > > > > > > In the particular class that I'm working on, it would be extremely > > handy to have an unordered collection of unique objects (strings) > > which can grow as necessary. This sounds exactly like the Set class. > > However, Set is an abstract class, so I can't instantiate it. Are > > there any non-abstract classes that do what Set does? I have seen > > there is ArrayList, but that allows duplicate values and is ordered. > > There is Vector, which is a lot like ArrayList. There are the various > > Map classes, but they are associations, which is totally different. > > Any other classes I could be using? > > > > Thanks from a java newbie. > > > >
