javav

A utility to print the target version of Java class files.

Latest on Hackage:

0.1.1

This package is not currently in any snapshots. If you're interested in using it, we recommend adding it to Stackage Nightly. Doing so will make builds more reliable, and allow stackage.org to host generated Haddocks.

BSD-3-Clause licensed by Tony Morris <ʇǝu˙sıɹɹoɯʇ@ןןǝʞsɐɥ>

Maintained by Tony Morris

Installs a javav executable to print the target version of one or more Java class files.

For example:

> javav ThisClass.class ThatClass.class
1.6 (50.0 0x32) ThisClass.class
1.5 (49.0 0x31) ThatClass.class

Java VM Specification 4.1 The ClassFile Structure

http://java.sun.com/docs/books/jvms/second_edition/html/ClassFile.doc.html#74353