that's my result for the command "java -version":
java version "1.7.0_79"
Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)
As far as i know, you should use at least Java 1.7. But it's better to switch to Java 1.8.