Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

The next tutorial in the Java 101 series will introduce method references, which you can combine with lambda expressions to write even more concise, readable Java code.

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.

There is a reason why Java method modifiers exist. If you call public methods internally and don't understand why, your developers could face major class issues.

The java.util.function package contains well over 40 different components, but if you can garner a good understanding of consumers, predicates, functions, unary types and suppliers, knowledge of the ...