Introducing Java SE 9

Accelerate Java application development with the Java platform module system and 150 new features.

JavaYourNext (Cloud)

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

#1

Developer Choice for the Cloud

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.

Learn more about Java 9

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.

Get started

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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  1. Oracle专指Oracle境外公司而非甲骨文中国。
  2. 相关Cloud或云术语均指代Oracle境外公司提供的云技术或其解决方案。