Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.

In Java, we don’t need to write “THEN.” Instead, we use an open curly bracket to say that everything that follows is part of that “code block” and should run under the conditions we specify.