In Java, when you add the final modifier to a variable, that variable becomes a 'constant that cannot be reassigned'. However, there is a major trap of misunderstanding lurking here. In fact, 'just ...

Community driven content discussing all aspects of software development from DevOps to design patterns. When the seminal Java whitepaper introduced the language in 1995, it listed seven key benefits ...

Learn how to use pattern-matching features in your Java programs, including pattern matching with switch statements, when clauses, sealed classes, and a preview of primitive type pattern matching in ...

The object-oriented paradigm popularized by languages including Java and C++ has slowly given way to a functional programming approach that is advocated by popular Python libraries and JavaScript ...

You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java. Many programming languages allow passing ...

In the world of software development, there are many scenarios where it is necessary to model and work with data that does not have its own identity and is not an entity in the strict sense. This data ...

Please Note: This project was an experiment: While it achieves the goals of providing immutability and purity constraints for Java, coding using Pure4J is hard work. If you're interested in playing ...

Guava is a set of core Java libraries from Google that includes new collection types (such as multimap and multiset), immutable collections, a graph library, and utilities for concurrency, I/O, ...