Java Development Kit is the official development kit for the Java programming language. Java Development Kit contains the software and tools that you need to compile, debug, and run applets and applications written using the Java programming language.
JDK has a collection of programming tools, including javac, jar, and the archiver, which packages related class libraries into a single JAR file. This tool also helps manage JAR files, javadoc - the documentation generator, which automatically generates documentation from source code comments, jdb - the debugger, jps - the process status tool, which displays process information for current Java processes, javap - the class file disassembler, and other components are also included.
Key Contents include:
JDK 8 Releases. The JDK 8 Early Access Program has concluded. Current versions of JDK 8 can be found on www.oracle.com/javadownload. The latest news directly from EBS Development since 2006. Java software for your computer, or the Java Runtime Environment, is also referred to as the Java Runtime, Runtime Environment, Runtime, JRE, Java Virtual Machine, Virtual Machine, Java VM, JVM, VM, Java plug-in, Java plugin, Java add-on or Java download.
- Development Tools (In the bin/ subdirectory) Tools and utilities that will help you develop, execute, debug, and document programs written in the JavaTM programming language.
- Runtime Environment (In the jre/ subdirectory) An implementation of the Java Runtime Environment (JRE) for use by the JDK. The JRE includes a Java Virtual Machine (JVM), class libraries, and other files that support the execution of programs written in the Java programming language.
- Additional Libraries (In the lib/ subdirectory) Additional class libraries and support files required by the development tools.
- Demo Applets and Applications (In the demo/ subdirectory) Examples, with source code, of programming for the Javaplatform. These include examples that use Swing and other Java Foundation Classes, and the Java Platform Debugger Architecture.
- Sample Code (In the sample subdirectory) Samples, with source code, of programming for certain Java API's.
- C header Files (In the include/ subdirectory) Header files that support native-code programming using the Java Native Interface, the JVM Tool Interface, and other functionality of the Java platform.
- Source Code (In src.zip) Java programming language source files for all classes that make up the Java core API (that is, sources files for the java.*, javax.* and some org.* packages, but not for com.sun.* packages). This source code is provided for informational purposes only, to help developers learn and use the Java programming language. These files do not include platform-specific implementation code and cannot be used to rebuild the class libraries. To extract these file, use any common zip utility. Or, you may use the Jar utility in the JDK's bin/ directory: jar xvf src.zip.
The JDK also comes with a complete Java Runtime Environment. This consists of a Java Virtual Machine and all of the class libraries present in the production environment, as well as additional libraries, internationalization libraries and the IDL libraries.
January 16, 2018
The full version string for this update release is 1.8.0_162-b12 (where 'b' means 'build'). The version number is 8u162.
IANA Data 2017c
JDK 8u162 contains IANA time zone data version 2017c. For more information, refer to Timezone Data Versions in the JRE Software.
Security Baselines
The security baselines for the Java Runtime Environment (JRE) at the time of the release of JDK 8u162 are specified in the following table:
| JRE Family Version | JRE Security Baseline (Full Version String) |
|---|---|
| 8 | 1.8.0_161-b12 |
| 7 | 1.7.0_171-b11 |
| 6 | 1.6.0_181-b10 |
Netbeans
JRE Expiration Date
The JRE expires whenever a new release with security vulnerability fixes becomes available. Critical patch updates, which contain security vulnerability fixes, are announced one year in advance on Critical Patch Updates, Security Alerts and Third Party Bulletin. This JRE (version 8u162) will expire with the release of the next critical patch update scheduled for April 17, 2018.
For systems unable to reach the Oracle Servers, a secondary mechanism expires this JRE (version 8u162) on May 17, 2018. After either condition is met (new release becoming available or expiration date reached), the JRE will provide additional warnings and reminders to users to update to the newer version. For more information, see 23.1.2 JRE Expiration Date in the Java Platform, Standard Edition Deployment Guide.
Changes
➜ RMI Registry Filter Allows Binding Arrays of Any TypeJava Version 1.8.162
The RMI Registry built-in serial filter has been modified to check only the array size and not the component type. The maximum array size has been increased to 1,000,000. The override filter can be used to decrease the limit. Array sizes greater than the maxarray limit will be rejected. Sizes less than the maxarray limit will be allowed.
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The java.security file contains more information about the sun.rmi.registry.registryFilter property and the conf/security/java.security configuration file has been updated to better describe the default behavior and how to override it.
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Bug Fixes
This release contains fixes for security vulnerabilities described in the Oracle Critical Patch Update. For a more complete list of the bug fixes included in this release, see the JDK 8u162 Bug Fixes page.