Read: The following articles explore some more intricacies of dealing with methods. In particular, the second article explains the "this" keyword that you might have seen. For the moment, don't worry about any mentions of constructor; we will cover this soon. Think of a constructor as a special type of method/function for now.

http://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html

http://docs.oracle.com/javase/tutorial/java/javaOO/thiskey.html