Method references: A primer. My previous Java 101 tutorial introduced lambda expressions, which are used to define anonymous methods that can then be treated as instances of a functional interface.

Simple method delegation: Use method references for straightforward delegations that don’t require modifying or processing arguments.For example, list.forEach(System.out::println) is clearer ...

The sample application makes use of a custom reference class, MyReference, found in Listing C, which descends from SoftReference. As you can see, each MyReference object is registered with a ...

One more easy concept we can introduce in this Java tutorial is how to use methods. This will give you a bit more idea regarding the way that Java code is structured and what can be done with it.

Java naming conventions for variables, methods and reference types are where things get a little more complicated. For example, you can start a Java variable with a dollar sign or an underscore -- but ...