Java 8 has a new package, java.util.function, that contains a number of commonly used functional interfaces. Many are expressed using generics, but there are specializations for primitive types.

Java allows classes to implement multiple interfaces — a capability known as multiple interface inheritance. Suppose you want to write a program that counts the number of times you have failed ...

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 ...

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 ...