How do I compile a .java with support for older versions of Java?

Question

I want to compile my .java\'s (several) into one .jar that are compatible with at least Java 1.6 and newer, preferably Java 1.5 and ne

Answer 1

You can use the newest version of the JDK and set the source level to 1.5 - as long as you don't use classes / methods that were introduced after 1.5 you should be ok for all versions of the JVM 1.5 and above:

-source 1.5