이것저것

배경 CompletableFuture 에서 whenComplete 랑 whenCompleteAsync 의 차이가 어떤건지 궁금해서 기록 whenComplete: Returns a new CompletionStage with the same result or exception as this stage, that executes the given action when this stage completes. whenCompleteAsync Returns a new CompletionStage with the same result or exception as this stage, that executes the given action using this stage's default asynchronous exe..