OpenJDK
OpenJDK is an open-source implementation of the Java Platform, Standard Edition (Java SE). It contains the core classes and libraries that allow developers to compile and run Java applications.
OpenJDK: Open-Source Java Implementation
OpenJDK is an open-source implementation of the Java Platform, Standard Edition (Java SE). It contains the core classes and libraries that allow developers to compile and run Java applications.
What is OpenJDK?
OpenJDK is an open-source and free implementation of the Java Platform, Standard Edition (Java SE). It contains the core Java programming language APIs and virtual machine that allow developers to compile and run Java applications.
OpenJDK is licensed under the GNU Public License version 2 and is the officially supported reference implementation of Java SE since version 7. Oracle and the Java community collaboratively develop and maintain OpenJDK under the aegis of the OpenJDK project.
Some key aspects of OpenJDK include:
- Contains all core Java APIs like java.lang, java.io, java.util etc
- Includes a Java Virtual Machine called HotSpot JVM
- Supports the latest Java Language Specification out of the box
- Developed openly by Oracle engineers and Java community members
- Available completely free of cost and can be freely modified and distributed
OpenJDK binaries are the default Java runtime and/or SDK environment shipped with Linux distributions like Debian, Ubuntu etc. It offers portable, high performance Java development with no licensing or support costs making it popular for developing and deploying Java applications.
OpenJDK Features
Features
- Open source implementation of Java SE
- Includes Java Runtime Environment (JRE) and Java Development Kit (JDK)
- Supports multiple platforms like Windows, Linux, macOS
- Provides core Java APIs and virtual machine
- Regular updates and security patches
Pricing
- Open Source
Pros
Free and open source
Active community support
Platform independent and portable
Regular updates and bug fixes
Good performance and stability
Cons
Lacks some advanced/enterprise features of Oracle JDK
Slower adoption of new Java features
Limited commercial support options
Might require more testing for production systems
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Zulu
Zulu is an open-source project started by Azul Systems that provides a distribution of OpenJDK, the open-source implementation of the Java Platform. Zulu takes OpenJDK releases from the upstream OpenJDK community and applies additional patching, testing, and certification to create a production-ready build of OpenJDK for a variety of platforms.Some...
Embitz
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Adoptium
Adoptium, formerly known as AdoptOpenJDK, is an open source, production-ready runtime environment for Java that is managed by the Eclipse Foundation. It provides prebuilt OpenJDK binaries that have passed rigorous testing and are ready to use for Java development and deployment.Key features of Adoptium include:Binaries built from OpenJDK code that...
Amazon Corretto
Amazon Corretto is a no-cost, multiplatform, production-ready distribution of the Open Java Development Kit (OpenJDK). It is designed for developers who want a reliable, compatible implementation of OpenJDK to build and run Java applications without paying an extra license fee.Key features of Amazon Corretto include:No-cost, commercially-usable implementation of OpenJDK 8,...
Oracle JDeveloper
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Spring Roo
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Java-Editor
Java-Editor is a feature-rich, open-source code editor designed specifically for Java development. It provides a lightweight and fast environment for writing, editing, and debugging Java code.Key features of Java-Editor include:Syntax highlighting - Code is colorized to improve readability and quickly identify errors.Intelligent auto-completion - Code suggestions and shortcuts to boost...
Liberica JDK
Liberica JDK is an open-source, standards-compliant Java Development Kit created and supported by BellSoft. It provides a complete, compatible Java runtime environment for developing and running Java applications, including:The Liberica Java Virtual Machine for running Java bytecodeA full set of Java Class Libraries and APIsThe javac compiler for converting Java...
10Duke SDK
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