More about Java interfaces What can you do with interfaces in your Java programs? Get an overview with Jeff’s Six roles of the Java interface.

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

Abstractions in programming, while hiding complexity and creating more distance to that machine code, help programmers get closer to the actual problems they’re trying to solve.

The author discusses his results of measuring the performance degradation of Java programs while using various data abstraction features of the language.

An abstraction is a simplified version of something technical (with unwanted details omitted), which allows to hide away complexity via a simpler "interface" and is the main tool of a software ...

Functional supplier interface in Java tutorial There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package ...