The delegation model in Java allows for loading classes flexibly and dynamically at runtime. This is useful in environments where the class loading requirements are unknown at compile-time.

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 ...

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 ...

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 ...

Currently, OpenJDK and Java library vendors use different release strategies. OpenJDK employs the "tip and tail" model, while library vendors generally follow a "one update for all" approach.