Do you consider this technique “BAD”?

Question

Sometimes you need to skip execution of part of a method under certain non-critical error conditions. You can use exceptions for that, but exceptions generally are not

Answer 1

I have used this idiom for years. I find it preferable to the similar nested or serial ifs , the "goto onError", or having multiple returns. The above example with the nested loop is something to watch out for. I always add a comment on the "do" to make it clear to anyone new to the idiom.