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Amazon Corretto VS OpenJDK

Compare Amazon Corretto VS OpenJDK and see what are their differences

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Amazon Corretto logo Amazon Corretto

Amazon Corretto is a no-cost, multiplatform, production-ready distribution of the Open Java Development Kit (OpenJDK).

OpenJDK logo OpenJDK

OpenJDK is the free version of the Java development platform.
  • Amazon Corretto Landing page
    Landing page //
    2023-03-26
  • OpenJDK Landing page
    Landing page //
    2021-10-14

Amazon Corretto features and specs

  • Open Source
    Amazon Corretto is an open-source distribution of OpenJDK, meaning it has no licensing fees and benefits from community contributions and transparency.
  • AWS Support
    As a distribution from Amazon, Corretto is supported by AWS, providing robust and reliable integration with AWS services for developers who use those platforms.
  • Multi-Platform Support
    Corretto is available for various platforms, including Linux, Windows, and macOS, ensuring developers have flexibility depending on their development and production environments.
  • Long-Term Support
    Amazon Corretto offers long-term support with regular updates and patches, which is crucial for enterprise applications needing stability and security.
  • Performance Enhancements
    Amazon Corretto includes performance enhancements and security fixes from Amazon, which may not be available in the default OpenJDK distributions.

Possible disadvantages of Amazon Corretto

  • AWS Ecosystem Bias
    While Corretto is designed to work well with AWS services, developers using other cloud services might not find it as advantageous if they face compatibility issues.
  • Limited Community
    While Corretto is open source, its community might not be as large or active as those for other JDK distributions like AdoptOpenJDK, which might limit the resources available for problem-solving.
  • Migration Effort
    Switching from another Java distribution to Corretto might require migration effort, especially for systems deeply integrated with another JDK's particular implementations and features.
  • Potential Overhead
    Organizations not utilizing AWS services might discover they are gaining additional features and support they do not need, potentially introducing unnecessary complexity.

OpenJDK features and specs

  • Open Source
    OpenJDK is an open-source implementation of the Java Platform, Standard Edition, making it freely available for anyone to download, modify, and distribute.
  • Wide Adoption and Community Support
    It is the reference implementation of Java SE, backed by a large community and supported by major companies like Oracle, ensuring regular updates and security patches.
  • Compatibility
    OpenJDK is considered the official reference implementation for Java SE and is compatible with the Java standard, ensuring that applications run consistently across implementations.
  • No Licensing Fees
    Being open-source, OpenJDK does not require licensing fees, which can be beneficial for organizations looking to minimize costs.
  • Customizability
    The open-source nature allows developers to modify and extend the code to suit specific needs.

Possible disadvantages of OpenJDK

  • Potential Performance Variations
    Different builds of OpenJDK may have performance variations compared to the Oracle JDK, which can affect application efficiency.
  • Support Variability
    While community support is strong, official support and services, which might be required by enterprise environments, are often provided by third parties and may come with additional costs.
  • Patch Availability
    Security patches and updates may not be rolled out as quickly in some OpenJDK distributions compared to Oracle's commercial JDK.
  • Limited Features
    Some commercial features in Oracle JDK, such as advanced monitoring and commercial-grade performance monitoring tools, may not be present in OpenJDK.

Amazon Corretto videos

+ Add

Java is Free Again | Amazon Corretto

More videos:

  • Review - Oracle JDK alternatives - AMAZON CORRETTO | Free JDK Options

OpenJDK videos

+ Add

OpenJDK Development

More videos:

  • Review - The Launch Space - The Microsoft Build of OpenJDK and other useful Java things

Category Popularity

0-100% (relative to Amazon Corretto and OpenJDK)

Amazon Corretto

OpenJDK

IDE
26 26%
IDE
74% 74
Text Editors
28 28%
Text Editors
72% 72
Software Development
28 28%
Software Development
72% 72
Developer Tools
30 30%
Developer Tools
70% 70

User comments

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Social recommendations and mentions

Based on our record, OpenJDK should be more popular than Amazon Corretto. It has been mentiond 32 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Amazon Corretto mentions (4)

  • Oracle Java license teams set to begin targeting unknowing Oracle users
    I pivoted things over to AWS Corretto after they tried something similar a few years ago on the theory that if anything came of it, you can let two 800lbs gorillas fight while you stay out of it. https://aws.amazon.com/corretto/ It was extremely painless (literally xargs to run sed + git commit + git push), has great ARM support, and if you are an AWS customer you can use your existing support contract should the... - Source: Hacker News / 11 months ago
  • JDK 21 Release Notes
    Some options for those who prefer to avoid the Oracle minefield: https://adoptium.net https://aws.amazon.com/corretto https://www.azul.com/downloads https://bell-sw.com/pages/downloads Sadly, no-one has managed to package it yet, but we should get something in the next couple of days. Since 21 is an "LTS" release, major Linux distributions will provide a runtime pretty soon. Ubuntu backports them to old releases too. - Source: Hacker News / over 1 year ago
  • Getting Newer Version's of JRE
    Also, make sure you're either in compliance with Oracle's licensing requirements or download an OpenJDK version. I'm partial to Azul Zulu with JFX for desktop work, and use Amazon Corretto as the base image for containerized applications. Source: over 2 years ago
  • Having so much trouble with minecraft mods
    Java is not a program, but an entire programming language. I use it for a lot of high performance web servers (via Spring Webflux and Eclipse Vert.x) on most of my projects. To run any piece of Java code, what you'll need is the JRE / JDK (Java Runtime Environment / Java Development Kit). I would recommend going with OpenJDK and installing from Eclipse Termium or Amazon Corretto (make sure to install Java 17). Source: over 2 years ago

OpenJDK mentions (32)

  • Oracle's Pioneering Role in Open Source and Blockchain: A Deep Dive
    Oracle’s seamless integration of open-source contributions and blockchain adoption is a testament to its forward-thinking approach and commitment to technological innovation. By supporting key projects like Java via the OpenJDK project and ensuring the robustness of its cloud solutions through the Oracle Cloud Infrastructure, Oracle demonstrates that true innovation is born from a culture of collaboration and... - Source: dev.to / 3 months ago
  • Setting Up Your React Native Development Environment
    Visit the Oracle JDK download page or use OpenJDK. - Source: dev.to / 7 months ago
  • Lisp Virtual Machine Design Question
    Reloading is nothing new under the sun for Lisp, I believe. For ML and adequate reload-ability, one might be hard pressed, but it's nothing new under the Sun (hint, hint). Maybe too on the nose, but one probably wants good inlining, and thus more "speculative" de/optimisation to preserve redefinition. Source: over 2 years ago
  • "Why Apache Harmony" or "How to use Java 8 on Android"
    If they don't want Oracle's Java, why can't they use a subset of OpenJDK (licensing noob here)? Source: almost 3 years ago
  • Replacement for Java?
    Does this change affect https://openjdk.java.net/ too? Source: almost 3 years ago
View more

What are some alternatives?

When comparing Amazon Corretto and OpenJDK, you can also consider the following products

Liberica JDK - Liberica is a 100% open-source Java 13.0.1 implementation.

AdoptOpenJDK - The code for Java is open source and available at OpenJDK™.

Microsoft OpenJDK - The Microsoft Build of OpenJDK is a new no-cost long-term supported distribution and Microsoft’s new way to collaborate and contribute to the Java ecosystem.

Zulu - Zulu is a professional DJ mixing software to mix and broadcast live music, audio and mp3s.

Eclipse - Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.

RedHat OpenJDK - The RedHat build of OpenJDK

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