Java versions before 9 simply had a different naming scheme. So, Java 8 can also be called 1.8, Java 5 can be called 1.5 etc. When you issued the 'java -version' command, with these versions you got output like this:
Java versions before 9 simply had a different naming scheme. So, Java 8 can also be called 1.8, Java 5 can be called 1.5 etc. When you issued the 'java -version' command, with these versions you got output like this: