We showcase some of the best online courses to learn software development and computer programming with Java. Learn more about Java coding. Java is one of the most prevalent programming languages ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. FREE COURSES: Learn to code ...

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 ...

Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They provide a simple, clean and concise syntax to launch ...

Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Java 9 introduced JShell, a read-evaluate-print and loop (REPL) tool that greatly simplifies ...