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 ...

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 ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

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 ...

Already highly popular, Python could also be the fastest-growing major programming language, according to Stack Overflow, a site that helps developers solve coding questions. The company estimates ...

Java ranked third in the Tiobe Index for January 2026 at 8.71%, holding steady behind Python and C and just ahead of C++. Tiobe named C# its Programming Language of the Year for 2025 after the largest ...

In brief: According to the Tiobe index of language popularity, the gap between Java and C# is so small that if the current trends remain unchanged, C# will overtake Java in about two months. Of all ...

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 ...

In part 1 of this series, Gary uploaded an awesome post and video explaining the basics of Java programming. Java is the official programming language of Android; so if you want to build fully-fledged ...

This file type includes high-resolution graphics and schematics when applicable. Simon Ritter, Deputy CTO, Azul Systems Inc. Java is a mature development platform, now pushing past 20 years in age. As ...