Example usage for java.util.stream LongStream findFirst

Introduction

In this page you can find the example usage for java.util.stream LongStream findFirst.

Prototype

OptionalLong findFirst();

Source Link

Document

Returns an OptionalLong describing the first element of this stream, or an empty OptionalLong if the stream is empty.

Usage

From source file:Main.java

public static void main(String[] args) {
    LongStream b = LongStream.of(1L, 2L, Long.MAX_VALUE, Long.MIN_VALUE);
    OptionalLong o = b.findFirst();

    if (o.isPresent()) {
        System.out.println(o.getAsLong());
    } else {/*from  www  .  j  a v  a  2 s.  c  om*/
        System.out.println("no value");
    }
}

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