在Java中，类的静态方法有什么缺点吗？

Lets assume that a rule (or rule of thumb, anyway), has been imposed in my coding environment that any method on a class that doesn't use, modify, or otherwise need any instance variables to do its work, be made static. Is there any inherent compile time, runtime, or any other disadvantage to doing this?Lets assume that a rule (or rule of thumb, anyw