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Confused by all the changes in the Java roadmap? We’ve summarized your JDK options here.

The changes in Java’s release cadence and the disappearance of free quarterly updates from Oracle for older Java versions have resulted in various new JDK options for the Java community. The table below provides a comparison of these JDK options:  the top half of the table outlines the features and capabilities of various builds of both open and closed-source JDKs, and the bottom highlights differences between the commercial support offerings from Azul and other vendors. 

 

JDK Offerings for the Enterprise

Azul
 Zulu
Oracle
Java SE
Amazon
Corretto 
Red Hat
OpenJDK
Adopt-
OpenJDK

PRODUCT AND FEATURES

Based on OpenJDK44444

100% Open Source, freely available, no field of use restrictions

40444
TCK Tested (guaranteed Java SE compliance)44440
Patent Grant (inherited patent rights to use the JDK)44440

Free Quarterly Updates (single build combining security & enhancements)

40444
Performance Parity with Oracle Java SE44444
Multi-platform (Windows, Linux, macOS, Solaris)44324
Native Alpine Linux (musl libc)40000

Multiple Installers & Packages (tar, deb, MSI, DMG, JDK/JREs)

42221
Repos and Updates via yum & apt-get40040

Java Flight Recorder and Mission Control (for Java 8)

44000
OpenJFX (JavaFX)44400

LTS (Java 8, 11, …) and Feature Releases (Java 12, 13, 14, …)

44224
Java 7 support44040
32-bit support44041
Java Web Start and Applets04020
 

JDK Offerings for the Enterprise

Azul
 Zulu
Oracle
Java SE
Amazon
Corretto 
Red Hat
OpenJDK
Adopt-
OpenJDK

COMMERCIAL SUPPORT SERVICES

Supported Platforms & Environments441
(AWS only)

2
(RHEL/  Windows only)

0
24x7x365 Support (1-hour SLA)44440
SLA for Quarterly Updates (guaranteed timely access)44000

Security-only Quarterly Updates, fit for urgent deployment

44000

Out-of-cycle Critical Fixes (independent from OpenJDK)

44240
Commercial Support Production Lifecycle8 Years5 Years
(+3 Years Extended)
6 Years6 Years0

Commercial Product Enhancements (e.g. Fonts, JFR, TLS 1.3)

43100
Dedicated Global Java Support Team43030

Engineering capacity to root-cause and fix bugs (independent from OpenJDK)

44130
Patent and Non-Contamination Indemnification40020

Non-Contamination Certification and Source Code “Cleansing”

4N/A000
CommercialMTS” Support for Java 9, 13, 15, …40000

 

Azul has been making free Zulu builds of OpenJDK available to the Java community since 2014, and Zulu is being used in tens of millions of servers and devices today. Azul’s world-class Zulu Enterprise and Zulu Embedded support offerings provide SLA commitments for security updates and bug fixes and also incorporate specific additions that include full support for Flight Recorder and Mission Control for both Java 8 and 11, plus industry-leading IP protection and license verification.

For additional information regarding Zulu builds of OpenJDK and commercial support offerings, please contact an Azul OpenJDK specialist today.

 

 

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