I recommend using ErrorProne in Your projects. There are several problems its compiler will catch and fall through begin one of them: http://errorprone.info/bug

I recommend using ErrorProne in Your projects. There are several problems its compiler will catch and fall through begin one of them: http://errorprone.info/bugpattern/FallThrough http://errorprone.info/bugpattern/FallThrough It might take quite a lot of work to fix (or bypass) all the reported problems in a large codebase but it is worth it.