Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

The SOLID open-closed principle in Java asserts that a well-designed software component will be open for ongoing extension, but closed to edits and modification. In other words, a Java class that ...

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 ...

Java programmers use data structures to store and organize data, and we use algorithms to manipulate the data in those structures. The more you understand about data structures and algorithms, and how ...

Community driven content discussing all aspects of software development from DevOps to design patterns. To fully understand the benefits and how lambda expressions provide code conciseness and ...