Accessor and mutator methods are used to control what aspects of a method users can alter
Accessor methods generally have a return value datatypes must match for return value and method signature
return value of an accessor is a copy of initial primitive value
this process is not the same as when we return objects to a program if the value is an object then the existing reference is returned to the program, not a copy of the object.
both the flashes superpower and test’s superpower reference thes ame speed object
remember when a variable is assigned the value of an object it returns an existing copy of the object not a new one
tostrings always return a string type