key term - Reference Type

Definition

A reference type is a data type that stores the memory address of an object rather than the actual value. It allows multiple variables to refer to the same object, and changes made to one variable will affect all other variables referencing that object.

Related terms

Signature:

A signature refers to the unique combination of a method's name and parameter types. It helps distinguish between different methods with similar names but different parameters.

Abstraction:

Abstraction is the process of simplifying complex systems by focusing on essential details while hiding unnecessary complexities. It allows programmers to work with high-level concepts without worrying about implementation details.

Object:

An object is an instance of a class in object-oriented programming. It contains both data (attributes) and behavior (methods), allowing us to represent real-world entities or abstract concepts in code.