Fix Java Unsupported major.minor version 52.0 on Ubuntu
Today when I run gradle test, I hit Unsupported major.minor version 52.0 error. It comes when you are trying to run a class compiled using Java 1.8 compiler into a lower JRE version e.g. JRE 1.7 or JRE 1.6. Simplest way to fix this error is install the latest Java release i.e. Java 8 and run your program. The Ubuntu archives have multiple versions of OpenJDK available. One of these is designated as the default and this has the package names default-jdk and default-jre....