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

Traverse the class's inheritance hierarchy. 10 types of Java constructors. There is a variety of different types of constructors in Java, and each constructor type has its own special use case and is ...

The three primary types of class loaders in Java are as follows: Bootstrap class loader: Responsible for loading the core Java classes that are required for the JVM to function.

Another type of class that wasn't in Java 11 but that you will find in Java 17 is sealed classes. Sealed classes and interfaces are designed to allow you to control which of the other classes are ...