Check if library will work on a specific verion of Java

Question

What approach can be taken to verify that a library is compatible on a specific version of Java?

Example: Library X was compiled on Java 1.7, therefor it might not w

Answer 1

compile with the version you want:

javac -target ...

see that: How do i compile a .java with support for older versions of java?

and check jar dependencies: with Jdepend for example

Analyze JAR dependencies in a Java project