How to check version of java running on your system?
Following example demonstrates how to check version of java installed on your system using version argument with java command.
The above code sample will produce the following result.
java version "1.6.0_13"
Java(TM) SE Runtime Environment (build 1.6.0_13-b03)
Java HotSpot(TM) Client VM (build 11.3-b02, mixed mode, sharing)