To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics In the above example, we already briefly explored a simpler ...

Collection classes that implement Iterable (for example, all list and set classes) now have a forEach() method. This method takes a single parameter that is a functional interface.

Donald Raab, creator of GS Collections, open sourced by Goldman Sachs in 2012, continues to explore more examples from that powerful framework ...