Introducing Java SE 9
Accelerate Java application development with the Java platform module system and 150 new features.
Java is Everywhere
Java is the world's most popular programming language. Java SE 9 is the result of an industry-wide development effort involving open review, weekly builds, and extensive collaboration between Oracle engineers and members from the worldwide Java developer community via the OpenJDK Community and the JCP.
12 million
Developers Run Java
21 billion
Cloud-Connected Java Virtual Machines
Learn More About Java SE 9
9 New Developer Features
There's a lot more to this release than modules.
Developers will find nine new powerful features in this latest release.
Migrating from Java 8 to Java 9
You can run Java 8 code and use some of the new features of Java 9—without migrating to modules.
Nashorn JavaScript Engine in JDK 9
Handy additions and support for ES6 make Nashorn even more useful.
Learn more about JavaScript Engine
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