eblo

Iterate over the "entrySet" instead of the "keySet". Map에 있는 키 값을 꺼내서 루프를 돌리는데 만약 key값 이외 value도 필요하다며 keySet을 사용하지 말고 entrySet을 사용하라. "entrySet()" should be iterated when both the key and value are needed (squid:S2864) Code smell Major When only the keys from a map are needed in a loop, iterating the keySet makes sense. But when both the key and the value are needed, it's more efficient to iter..