Can anyone please tell why abstract classes are faster in implementing than interfaces.

Question

as known method invocation of static final methods should be faster than non static .Also, the percentage of abstraction varies in abstract as interface fulfills full abstraction properties.

Answer 1

Is there really a difference? That would really depend on the compiler....
In any case, here are some answers:
https://stackoverflow.com/questions/12514131/which-one-is-fast-abstract-class-or-interface