Along with lambdas, Java SE 8 brought method references to the Java language. This tutorial offers a brief overview of method references in Java, then gets you started using them with Java code ...

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 ...

Passing an instance is passing a function pointer. Along with a ton of other things, of course. Java introduced the concept of "single abstract method" types to do function pointer-like things.