In my opinion, the eclipse check is not very useful. What you should do depends on your program context. Else clauses are for alternatives (either this or that) whereas falling through to a return (no else clause) is more appropriate where you have a number of conditions that may be true and the fallthrough is more of a default reaction that you don't really invoke too often. So you use both in code that conveys meaning and as such checking for presence or absence is not useful.
