And, just like for Oracle, the JDK Project will also deliver new feature releases every six months. Initially, it was based only on the JDK 7, but since Java 10, the open-source reference implementation of the Java SE platform is the responsibility of the JDK Project. We should emphasize that OpenJDK is an official reference implementation of a Java Standard Edition since version SE 7. To help understand the differences between the two, we reached out to Java experts to get their thoughts. Note: the versions in italics are no longer supported. The key difference (as stated above) is that OpenJDK is an open source java development kit, whereas Oracle JDK is closed source.
Because Oracle JDK already has everything one would need and sometimes faster than Open JDK. But I can't find reasons to use Open JDK.
Difference between java 9 and openjdk 1.8 update#
Let's take a look at the Java SE history: To obtain the source code for the JDK 9 update builds, clone the top-level JDK 9 Updates Mercurial repository and then run the getsource.sh script in that. Ask Question Asked 5 years, 7 months ago Modified 1 year, 4 months ago Viewed 25k times 25 I somehow understand the differences between Oracle JDK and Open JDK. Oracle strongly recommends using the term JDK to refer to the Java SE (Standard Edition) Development Kit (there are also Enterprise Edition and Micro Edition platforms). It's thus named because it contains more tools than the standalone JRE, as well as the other components needed for developing Java applications. It contains a complete Java Runtime Environment, a so-called private runtime. JDK (Java Development Kit) is a software development environment used in Java platform programming.
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