The APIs described here are those that are provided with the Oracle JDK. In some cases, the descriptions provide links to additional detailed information about an issue or a change. This section describes some of the enhancements in Java SE 16 and JDK 16. The version number is 16.0.2.Ĭomplete release notes for Java SE JDK 16.0.2 can be found here.

The full version string for this update release is 16.0.2+7 (where '+' means 'build'). Why would you need the JDK then? Because the application server will convert JSP into Java servlets and needs to use the JDK to compile the servlets. For example, if you are deploying a web application with JSP, you are technically just running Java programs inside the application server. Sometimes, even if you are not planning to do any Java development on a computer, you still need the JDK installed. The new license permits certain uses, such as personal use and development use, at no cost – but other uses authorized under prior Oracle JDK licenses may no longer be available. The new Oracle Technology Network License Agreement for Oracle Java SE is substantially different from prior Oracle JDK licenses. It is capable of creating and compiling programs. It has everything the JRE has, but also the compiler (javac) and tools (like javadoc and jdb).

The JDK is the Java Development Kit, the full-featured SDK for Java.

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