Week 9 Recap
CSE 115 Spring 2007
Collections


“Buckets” that can help us carry
around large numbers of objects.
Main functionality:
– Insert
– Delete
– Find
Collections in Java


java.util.Collection interface
Many pre-built collections that
implement this interface
Generics in Java


When we use a collection, we need to
tell Java what type of thing is
contained in the collection
java.util.Collection<Cat> bagOfCats;
Applications



Stand alone applications.
Execution begins in a method named
main.
Applications need to create a JFrame
so that we can have a window on the
screen.
Timers for Animation

Can use a Timer to help us control
animation of all the elements on the
screen.