Java API to find out the JDK version a class file is compiled for?

Question

Are there any Java APIs to find out the JDK version a class file is compiled for? Of course there is the javap tool to find out the major version as mentioned in here. Howev

Answer 1

JavaP does have an API, but it's specific to the Sun JDK.

It's found in tools.jar, under sun/tools/javap/Main.class.