WebDec 15, 2024 · findAny, as the name suggests, should be used in cases where you don't care which matched item is returned. Yes, both findFirst and findAny will act the same in a sequential stream but I'd rather make my intention clear in the first place. Share Improve this answer Follow edited Dec 15, 2024 at 12:40 answered Dec 15, 2024 at 12:33 Ousmane D. WebMar 28, 2024 · If you wish to eliminate that warning, use isPresent () instead: if (!itemList.stream ().filter (i->orderItemId.equals (i.getId ())).findAny ().isPresent ()) { throw new BadRequestException ("12345","Item Not Found"); } or just avoid using Optional s, and use anyMatch () instead:
[Solved] How to check if a Java 8 Stream is empty? 9to5Answer
WebApr 4, 2024 · findAny ().isPresent () - get an optional of an element matching the predicate and check if the Optional is present - this is equivalent of anyMatch () because both expressions return boolean filter () will always traverse the whole list anyMatch () has a short-circuit behavior - means it will stop on the first match so you can re-write it as: WebMay 26, 2024 · Stream findAny () returns an Optional (a container object which may or may not contain a non-null value) describing some element of the stream, or an empty Optional if the stream is empty. The behavior of Stream 'findAny ()' operation is explicitly non-deterministic, it is free to select any element in the stream. cao openbare bibliotheken 2021
Optional isPresent () method in Java with examples
WebDec 18, 2015 · .findFirst ().ifPresent (value -> use (value)).orElseThrow (Exception::new); But for it to work, ifPresent would have to return the Optional, which would be a little odd. It would mean you could chain one ifPresent after another, doing multiple operations on … WebJun 8, 2024 · However, if you only care to find one element that fails the test, use findAny as follows: Optional odd = numbers.stream () .filter (n -> n % 2 != 0) .findAny (); boolean isEven = !odd.isPresent (); odd.ifPresent (x -> System.out.println (x + " is odd")); Share Improve this answer Follow answered Jun 8, 2024 at 7:15 Misha 27.1k 6 60 77 WebWith Findity, we have safeguarded and streamlined the management of receipts and expenses for around 3,600 employees. Cristian Escobedo System Manager, WSP … british gas fitting smart meters