AP CSA Unit 2: Lesson 5 - Using Constructors

packages

acts as a file folder for classes and stores many classes inside of itself

libraries

place to get packages from

constructor

a special method specified in the class which sets up the object as we want it; has the same name as the class

parameter

putting information of the requested types into the paratheses

actual parameters

the values passed into the parameters

call by value

the constructor gets a copy of that value not the actual value itself, or a copy of the reference to that value if it is reference data (e.g. a String)

overloaded

when all the constructors have the same name

formal parameters

the types and variable names of the parameters

arguments

also called actual parameters

java.lang

example of a package from a library