Prior versions of Java also lack predefined functional interfaces and first-class functions such as filter and map. Java 8 reduces verbosity largely by introducing lambdas and method references to ...

JDK Enhancement Proposal (JEP) 191 defines the Java Foreign Function Interface (FFI), which are interfaces that can bind native functions to Java methods and can manage blocks of native memory. This J ...

Functional programming with a Java Consumer Sometimes programmers new to lambdas and streams get intimidated by the components defined in the java.util.function package, so I always like to remind ...

Many developers get intimidated when they look at all the new APIs that accept lambda expressions as arguments, and wonder how they’ll ever figure out which Java function to use and what the proper ...

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.