However, Java refers to class libraries as packages. This article explores packages; I show you how to create packages of classes and interfaces, how to import (that is, bring into a program ...

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 class loaders are a component of the Java virtual machine (JVM ...

The release of Java SE 15 in Sept 2020 will introduce ... In such a situation, the author may choose to make the implementation classes accessible, but more likely, the implementation classes ...

You need a whole new class to implement a single method. Furthermore, the logic is separated from the point in which it is needed. This will make troubleshooting and code maintenance more difficult.

Developing splash screens for Java applications is harder than it needs ... Mustang provides a class call SplashScreen which your application can get a handle to the splash image.

proposed in JEP 409 and available since Java 17, let developers limit and control how deeply a component's type hierarchy can extend. With sealed classes, a developer can essentially create a ...

instances of the java.lang.ref.ReferenceQueue class. When a weak reference is created, it can be registered with a reference queue so that when the weak reference is cleared (i.e., when the object ...