Static variables
A static variables value is the same for aALL instances of the class…The static duckCount variable…
A static variables value is the same for aALL instances of the class…The static duckCount variable…
Simple rules for building a better inheritance design. DO use inheritance when one class is a…
Remember that when one class inherits from another, we say that the subclass extends the superclass.…
An example how to design classes… Figure out what the class is supposed to do List…
XP emerged in the late 90’s and has been adopted by many Developers. The thrust of…
A method uses parameters. A caller passes arguments. Arguments are the things you pass into the…
Arrays are always objects, whether they’re declared to hold primitives…int[] nums;nums = new int[3];nums[0] = 4;nums[1]…
Variables come in two flawors: Primitives Reference Primitives Primitives hold fundamental values (think: simple bit patterns)…