Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

This article sheds light on how Java 8 lambda expressions and method references are implemented under the hood, and looks at the generated bytecode and performance implications.

This article explores some of Java 8’s new features, using both Java’s proposed syntax and Scala. We cover lambda expressions, higher-order functions, parallel collections and virtual ...

Traditional Java 8 Predicate example While the Java 8 Predicate is a functional interface, there's nothing to stop a developer from using it in a traditional manner. Here's a Java Predicate example ...

Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs.

Java Console class input and ouput The easiest way to garner user input in a Java program is to use the System’s Console class. Introduced in Java 6, Java’s System Console class provides two simple ...