How to check which version of Java you are running on Linux

1. Open a new Terminal Window
2. Type in the command

   java -version

3. The output should look similar to the below:

   java version "1.7.0_95"
   OpenJDK Runtime Environment (IcedTea 2.6.4) (7u95-2.6.4-3)
   OpenJDK 64-Bit Server VM (build 24.95-b01, mixed mode)

   The above code indicates that you are running Java SDK version 7 on your server