News & Features
Google App Engine adds Java 11 runtime
Beta release gives developers access to the latest long-term support version of Java on the Google PaaS
10 new tricks your old database can do
You might be surprised by the powerful “NoSQL” features lurking in your old Oracle, SQL Server, MySQL, or PostgreSQL database
Why Kotlin? Eight features that could convince Java developers to switch
What would Java look like if someone designed it from scratch today? Probably a lot like Kotlin
Java tip: When to use composition vs inheritance
Inheritance is a valuable programming technique, but in some conditions it breaks encapsulation. Find out why composition is the vital alternative to inheritance, and learn when and how to use it in your Java programs.
Ruby language upgrade improves garbage collection, pattern matching
Preview release of Ruby 2.7 also includes enhancements to the REPL and an experimental just-in-time compiler
Why the C programming language still rules
The C language has been a software development staple for five decades. Here’s how it stacks up against C++, Java, C#, Go, Rust, and Python in 2019
![JavaWorld > Android Studio for Beginners [movile java package]](https://images.idgesg.net/images/article/2019/02/jw_android_studio_for_beginners_3x2_1200x800_pkg_idg_google_darkovujic_gettyimages-100788152-medium.3x2.jpg)
Tutorial series: Android Studio for beginners
A complete beginner's guide to Android Studio, from installing Android Studio to coding and debugging your first Android app. Includes source code for the example app
Mastering Spring Java, Part 1: Spring MVC
If you like the Spring framework, you'll want to explore Spring MVC 5 for Java web development. This tutorial shows you how to fast-track Spring-based development with Spring MVC 5, Spring Boot, and Spring Initializr.
Java Q&A: Immutable empty collections and iterators
Find out why the java.util.Collections class includes static methods that return immutable empty collections and iterators.
Scala 2.13 overhauls collections, improves the standard library
The functional and object-oriented language with JVM and JavaScript runtimes gains performance, safety, and simplicity improvements
The best new features in Python 3.8
From a powerful new assignment syntax to under-the-hood overhauls, Python 3.8 steps toward a more modern Python codebase
Pivotal backs OpenJDK with Spring Java distribution
Pivotal Spring Runtime includes ongoing updates and support for Pivotal’s OpenJDK distribution, Spring Java projects, and Apache Tomcat
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