Java Update 101

On This Page Download Java Update 101 Basically the JRE provides the knobs you would use to configure the characteristics of a java application. In this quick tutorial, Youll leearn about the JRE, Which is the runtime environment for java. Most mobile devices come with a JRE for java ME, which is pre-installed on the mobile device and is not available for download

As the runtime environment for java, The JRE contains the java class labraries, the java class loader, and the java virtual machine.

Generally speaking it should be safe to upgrade to the latest Java Runtime Environment (JRE) for your operating system, then uninstall previous releases using the “Java Uninstall Tool.” The Java Uninstall Tool will automatically figure out which releases are no longer required and remove them for you.


  • Pattern Matching for instanceof & Records. …
  • Packaging Tool. …
  • Elastic Metaspace. …
  • UNIX-Domain Socket Channels. …
  • Vector API (Incubator) …
  • Wrapping Up

Please Note: Describes the Java is out of date or Your Java version is insecure message, related to the Java expiration date.

System Requirements:

  • Windows 10 (8u51 and above)
  • Windows 8.x (Desktop)
  • Windows 7 SP1.
  • Windows Vista SP2.
  • Windows Server 2008 R2 SP1 (64-bit)
  • Windows Server 2012 and 2012 R2 (64-bit)
  • RAM: 128 MB.
  • Disk space: 124 MB for JRE; 2 MB for Java Update.