java.lang.UnsupportedClassVersionError issue

Error:
java.lang.UnsupportedClassVersionError: HelloWorld has been compiled by a more recent version of the Java Runtime (class file version 59.0), this version of the Java Runtime only recognizes class file versions up to 52.0

Solution: Make sure your JDK and Java Runtime match.

Java Versions

49 = Java 5
50 = Java 6
51 = Java 7
52 = Java 8 This one I got installed by default on my machine SET compiler: nexss java default compiler java8
53 = Java 9
54 = Java 10
55 = Java 11
56 = Java 12
57 = Java 13 Set Compiler by: nexss java default compiler java13
58 = Java 14