Check a Java jar to make sure all the javac -target versions ... source code is included. to use: java -jar jarcheck.jar jartotocheck.jar 1.1 1.4 where jartocheck.jar is the name of jar to check. It will check all the class ... use this utility? To make sure that a jar intended to run under an old 1.1 JVM ...

Check a Java jar to make sure all the javac -target versions ... source code is included. to use: java -jar jarlook.jar jartotocheck.jar 1.1 1.4 where jartocheck.jar is the name of jar to check. It will check all the class ... use this utility? To make sure that a jar intended to run under an old 1.1 JVM ...