Java Runtime Environment 6.0 Update 25 + Portable

Java Runtime Environment (JRE) - исполнительная среда созданная Sun Microsystems позволяющая запускать и использовать приложения написанные на языке программирования Java. Состоит из виртуальной машины - Java Virtual Machine и библиотеки Java-классов.

На языке Java написано множество программ и игр, особенно тех, для которых важна мобильность. Некоторые веб-страницы также используют Java. Одним из преимуществ языка Java является его кроссплатформенность, то есть приложения написанные на этом языке можно использовать на разных операционных системах где установлен Java Runtime Environment (JRE).

Key features:

• Write software on one platform and run it on practically any other platform
• Create programs to run within a web browser and web services
• Develop server-side applications for online forums, stores, polls, HTML forms processing, and more
• Combine Java technology-based applications or services to create highly customized applications or services
• Write powerful and efficient applications for mobile phones, remote processors, low-cost consumer products, and practically any device with a digital heartbeat

What's New in This Release:

Highlights

• Improved performance and stability
• Java HotSpot™ VM 20
• Support for Internet Explorer 9, Firefox 4 and Chrome 10
• Improved BigDecimal

Olson Data 2011b
Java SE 6u25 contains Olson time zone data version 2011b. For more information, refer to Timezone Data Versions in the JRE Software .

Additional Supported System Configurations
For Java SE 6u25, support has been added for the following system configurations:

• Oracle Linux 6
• Oracle Solaris 11 Express 2010.11
• Windows 7 with SP1
• Windows 2008 R2 with SP1
• Internet Explorer 9
• Firefox 4
• Chrome 10
• VirtualBox 4

Java Hotspot VM 20

Java SE 6u25 includes version 20 of the Java HotSpot Virtual Machine which contains improvements to performance, reliability and diagnostic information.

A new feature in this version of HotSpot is "tiered" compilation in the Server VM that enables it to start quickly as does the Client VM, while achieving superior peak performance. This feature is enabled by specifying -server and -XX:+TieredCompilation command options.

The Garbage First (G1) garbage collector continues to advance with Java SE 6u25, although it remains an experimental option.

HotSpot diagnostic information has been expanded in several ways:

• Tracking of cumulative Java heap bytes allocated on a per-thread basis
• On OutOfMemoryError, indication of the faulting thread in the heap dump
• Improved handling of unexpected exceptions in application native code
• Better indication of native heap exhaustion
• More details in hs_err files

Performance Improvement to BigDecimal
Improvements have been made to class BigDecimal enhancing its performance by thirty percent. BigDecimal is enabled by specifying -XX:+AggressiveOpts command option.

Performance Improvement to java.util.logging.LogRecord
The performance of the class java.util.logging.LogRecord has been enhanced. This enhancement improves the efficiency of including source class and method names in java.util.logging log records.

Bug Fixes
Java SE 6u25 does not add any fixes for security vulnerabilities beyond those in Java SE 6u24. Users who have Java SE 6u24 have the latest security fixes and do not need to upgrade to this release to be current on security fixes.

For other bug fixes, see the Java SE 6u25 Bug Fixes page.

Known issue
If you use the setInstallerType("kernel") API from the Java Deployment Toolkit Script to request a Java SE 6u25 Java Kernel installation, currently it will return the Java SE 6u24 Java Kernel installer.

 

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