Method references: A primer. My previous Java 101 tutorial introduced lambda expressions, which are used to define anonymous methods that can then be treated as instances of a functional interface.

Java provides a way for the programmer to exercise control over memory management by marking certain objects as expendable via reference objects. Should an application’s memory requirements ...

Java supports arrays. Each element occupies the same number of bytes, and the exact number depends on the type of the element’s data item. Furthermore, all elements share the same type.