????? ???? Amazon?? ? ?? ??? ??? ????. ? ??? ?? ???? ??? Medium?? ?? ????? ???? ??? ?????! ???? ??? ??? ? ??? ????!

???? ?????? Java ??? ??? ??? ??????. ???? ??? ?????? Project Reactor? ????? ?? ??? ??? ??? ?? ??? ???? ?????. ? ????? ??? Java ??? ??? 6?? ?? ???? ?????.

map ???? ?????. ??? ???? ? ??? ??? ???? ??? ?? ??? ???? ?????. ??? ??? ??? ??????.

?:

Flux.range(1, 5)
    .map(i -> i * 2)
    .subscribe(System.out::println);

??? ? ??(1-5)? ? ?? ?? 2, 4, 6, 8, 10? ?????.

? ???? ????? ???? ??? ????? flatMap? ?????. ? ??? ? ?? ???? ??? ?? ??? ????? ?? ????? ?????.

?(??? ???? ????):

Flux.just(1, 2, 3)
    .flatMap(id -> getUserDetails(id))
    .subscribe(System.out::println);

// getUserDetails returns a Mono<UserDetails>
private Mono<UserDetails> getUserDetails(int id) {
    return Mono.just(new UserDetails(id, "User " + id));
}

flatMap ?? ??? ????? ??? ??? ?????.

filter ???? ??? ?????. ??? ??????. ??? ????? ???? ????.

?(?? ??):

Flux.range(1, 10)
    .filter(i -> i % 2 == 0)
    .subscribe(System.out::println);

??(2, 4, 6, 8, 10)? ??????.

reduce? ??? ??? ?? ??? ?????. ???? ??? ?????.

?(?? ??):

Flux.range(1, 5)
    .reduce(0, (acc, next) -> acc + next)
    .subscribe(System.out::println);

1~5? ?? 15? ???.

zip ?? ???? ??? ???? ??? ??? ????.

?(??? ?? ??):

Flux<String> names = Flux.just("John", "Jane", "Bob");
Flux<Integer> ages = Flux.just(25, 30, 35);

Flux.zip(names, ages, (name, age) -> name + " is " + age + " years old")
    .subscribe(System.out::println);

??-?? ???? ???? ?????.

??? ?? ??? ?????. onErrorResume ??? ??? ????? ?????.

?(?? ?? ??):

Flux.just("1", "2", "three", "4")
    .map(Integer::parseInt)
    .onErrorResume(e -> {
        System.err.println("Error: " + e.getMessage());
        return Flux.just(0);
    })
    .subscribe(System.out::println);

??? ?? ?? ??? 0?? ?????.

6?? ???(map, flatMap, filter, reduce, zip, onErrorResume)? ???? ??? ??? ?????? ???? ? ??????. ???? ?? ??? ??? ??? ?????.

??? ???? ???? ? ??? ?? ??? ????(???? ?? ?????? ?? ?? ???).

Project Reactor? ??? ??? ?????? ??? ??? ??? ?? ??? ?? ??? ?????. ??? ???? ????? ?? ???? ??? ???? ??? ?? ?? ??? ??? Java ??????? ???? ? ?????. ??? ?????? ?? Java ??? ?? ?????? ??? ???????? ??? ??? ??? ????? ??? ? ?? ????.

101?

Aarav Joshi? ?? ??? 101 Books? AI? ???? Amazon?? ??? ??? ??(??? 4?? ??)? ?????. ? ?? ???? ?? ??? ??? Golang Clean Code? ???? Aarav Joshi? ?????!

??? ???

?? ???? ????:

???? ??? | Investor Central(????) | Investor Central(???) | ????? | ??? ??? | ????? ???? | ???? | ??? ??? | JS ??

Medium? ????!

???:

?? ??? ???? | Epochs & Echoes World | ??????? | ???? ???? ?? | ??? ??? ?? | ?? ????

? ??? Reactive Java ?????: ???? ??? ??? ?? ?? ???? Reactor ???? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!