Please just read the chapter and learn the material and you should have no problem completing that Homework assignment. You may also refer to these websites:

http://docs.oracle.com/javase/7/docs/api...

http://docs.oracle.com/javase/tutorial/j...

http://docs.oracle.com/javase/tutorial/j...

http://java.about.com/od/workingwithobje...

isnt there a dictionary in the back of your book?

there's a picture