Abstraction is one of the four fundamental principles of Object-Oriented Programming (OOP), along with encapsulation, inheritance, and polymorphism. It refers to the concept of hiding complex ...

The Java Virtual Machine is an abstraction. Your code can use the exact same java methods irrespective of whether your code will run on Linux or Windows or any other OS. Underneath, a lot of things ...

How does one measure the performance penalty imposed by a compiler and execution environment on a program for using the data abstractions? In this article, I present the Data Abstraction Penalty (DAP) ...

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Polymorphism refers to the ability of some entities to occur in ...