Community driven content discussing all aspects of software development from DevOps to design patterns. Instance main methods and unnamed classes, coming in Java 21, will forever change how developers ...

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Polymorphism refers to the ability of some entities to occur in ...

We will focus on the relationship between polymorphism and Java inheritance. The main thing to keep in mind is that polymorphism requires an inheritance or an interface implementation. You can see ...

Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...

Abstract: Java Virtual Machine relies on the SecurityManager class to prevent illegal system resource access by external Java code (e.g., Java Applet). The SecurityManager checks the access right of ...

Pokedex is a robust Discord bot that mimics the iconic Pokedex from the Pokemon games and show. It's loaded with features to help players of all skill levels to learn and better enjoy Pokemon! The ...

The readme talks about the abstract keyword as being up for debate, but there's a bit more to abstract methods than just the keyword. It'd be good to know how abstract methods map to this proposal, ...

Sealed classes are classes that permit only specific classes to extend them, as a result limiting extensibility. Sealed classes provide several benefits such as: Java provides two access levels: ...