InfoWorld

What you need to know about Java wrapper classes

Before we dive into what’s new with wrapper classes in Java 21, let’s do a quick review. Wrapper behavior was also refined as groundwork for Project Valhalla’s value types. Wrapper classes in Java 21 ...
TheServerSide

Use sealed classes in Java to control your inheritance

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 ...
InfoWorld

Introduction to Java records: Simplified data-centric programming in Java

Creating simple data classes in Java traditionally required substantial boilerplate code. Consider how we would represent Java’s mascots, Duke and Juggy: public class JavaMascot { private final String ...
TheServerSide

String to long in Java

Community driven content discussing all aspects of software development from DevOps to design patterns. The correct way to convert a String to long in Java is to use the parseLong(String x) method of ...