Before Java SE 8, anonymous classes were ... detailed introduction to functional programming with lambda expressions along with target types. You’ll also learn how lambdas interact with scopes ...

As you can see, Java 8 lambda expressions are typed. Fortunately, when the type can be inferred by the context, it can be omitted. These are just starting points, as you can always define your own ...

And since Java is a strongly typed language, the object types must be a polymorphic match as well. Take the following functional interface as an example: As you can see, this lambda expression ...

The implementation of Java 8 Lambda expressions required an introduction to a number ... do something with it and then return an object of the same type. That’s the unary nature of the function. One ...