Java vs. OpenJDK Comparison


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About The Java™ Programming Language is a general-purpose, concurrent, strongly typed, class-based object-oriented language. It is normally compiled to the bytecode instruction set and binary format defined in the Java Virtual Machine Specification. In the Java programming language, all source code is first written in plain text files ending with the .java extension. Those source files are then compiled into .class files by the javac compiler. A .class file does not contain code that is native to your processor; it instead contains bytecodes — the machine language of the Java Virtual Machine1 (Java VM). The java launcher tool then runs your application with an instance of the Java Virtual Machine.	About The place to collaborate on an open-source implementation of the Java platform, standard edition, and related projects. Download and install the latest open-source JDK. Oracle’s free, GPL-licensed, production-ready OpenJDK JDK 21 binaries for Linux, macOS, and Windows are available, Oracle’s commercially-licensed JDK 21 binaries, based on the same code, are available as well. Browse the code on the web, clone a repository to make a local copy, and contribute a patch to fix a bug, enhance an existing component, or define a new feature. OpenJDK provides source code that developers can use to build their binaries. Consequently, users are responsible for compiling the code and generating the Java runtime tailored to their specific platform. The JDK is a complex software project. Building it requires a certain amount of technical expertise, a fair number of dependencies on external software, and reasonably powerful hardware.
Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Supported On-Premises Supported iPhone Supported iPad Supported Android Supported Chromebook Supported	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Developers looking for a Programming Language solution	Audience Developers looking for a free and open source implementation of the Java platform
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Not Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Supported Free Trial Not Supported	Pricing Free Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Pros & Cons from Real Users Pros Clearly strong typed code that you write in appropriate classes without the generics, or lisp type code of later versions. Cons The accusations like being verbose etc are stupid arguments. You have classes made for specific functions ie work and you just call methods and you don't write code repetitive from the start again and again
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Oracle docs.oracle.com/javase/8/docs/technotes/guides/language/index.html	Company Information Oracle openjdk.org
Alternatives Amazon Corretto Amazon	Alternatives ccminer
C	ORMIT™-OpenJava RENAPS
C++	VSCodium
PureScript	Oracle Linux Oracle
OCaml View All	Insignary Clarity Insignary View All
Categories Programming Languages Supported	Categories Application Development Supported

Integrations AWS Marketplace Supported Amazon Corretto Supported Azure Marketplace Supported ArgoUML Supported Azure Database for PostgreSQL Supported BlinqIO Supported CI Fuzz Supported CaptainCasa Enterprise Client Supported EOD Historical Data Supported Hire Rapidly Supported IP2Location Supported Jazzer Supported OpenJDK Supported Oxeye Supported Restack Supported SOOS Supported Semantic Kernel Supported SignPath Supported Syhunt Hybrid Supported yEd Supported Show More Integrations View All 914 Integrations	Integrations AWS Marketplace Supported Amazon Corretto Supported Azure Marketplace Supported ArgoUML Not Supported Azure Database for PostgreSQL Not Supported BlinqIO Not Supported CI Fuzz Not Supported CaptainCasa Enterprise Client Not Supported EOD Historical Data Not Supported Hire Rapidly Not Supported IP2Location Not Supported Jazzer Not Supported OpenJDK Not Supported Oxeye Not Supported Restack Not Supported SOOS Not Supported Semantic Kernel Not Supported SignPath Not Supported Syhunt Hybrid Not Supported yEd Not Supported Show More Integrations View All 5 Integrations
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