Though type is an extremely important object-oriented concept, it is often overlooked in favor of implementation-centric concerns. Java program development is as much about design as about ...

Method references are a shorthand way to write lambda expressions that call a single method. Rather than implementing a method in a functional interface, a method reference simply points to an ...

Suppose you have an object Foo which contains a reference to an interface Bar which is implemented by BarA, BarB and BarC. These objects model some feature of your problem domain.<BR><BR>How do you ...