Limit a stream by a predicate

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别跟我提以往
别跟我提以往 2020-11-21 22:54

Is there a Java 8 stream operation that limits a (potentially infinite) Stream until the first element fails to match a predicate?

In Java 9 we can use

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  • 2020-11-22 00:01

    Here is my attempt using just Java Stream library.

            IntStream.iterate(0, i -> i + 1)
            .filter(n -> {
                    if (n < 10) {
                        System.out.println(n);
                        return false;
                    } else {
                        return true;
                    }
                })
            .findAny();
    
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