Ever wonder why Java's const keyword is unimplemented? More specifically, why do we mark global constants in Java with both the static and final keywords? Why are Java constants static and final? The ...

You’ll also learn how lambdas interact with scopes, local variables, the this and super keywords, and Java exceptions. Note that code examples in this tutorial are compatible with JDK 12.

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.