Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

javac *.java When you compile a class whose method contains a local class, the compiler creates a class file for the local class whose name consists of its enclosing class’s name, a dollar-sign ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...

Naming conventions are important if you're a Java developer. Naming conventions not only make your Java code easier to read, they make your code self-documenting as well. Fellow developers can tell in ...