Lambda expressions was added to Java by JDK 8. Introducing Lambda Expressions Key to understanding Java’s implementation of lambda expressions are two constructs. The first is the lambda expression, itself. The second is the functional interface. Let’s begin with a simple definition of each. A lambda expression is,…
Since the original 1.0 release in 1995, many new features have been added to Java. One that has had a profound impact is generics. Introduced by JDK 5, generics changed Java in two important ways. First, it added a new syntactical element…
Enumerations The identifiers HEART, SPADE, CLUB and DIAMOND are called enumeration constants. Each is implicitly declared as a public, static, final member of Suit. Furthermore, their type is the type of the enumeration in which they are declared, which is…