当存在多个版本jar时，如何强制来自特定版本jar的方法调用

i have two versions of same library , say abc-1.0.jar and abc-2.0.jar i cant avoid either for my application to work , parts of the code are not yet migrated to 2.0 how do i force a class object and methods to be from abc-2.0.jar ? but not from 1.0.jar in my module.i have two versions of same library , say abc-1