Example usage for java.util.stream DoubleStream findFirst

Introduction

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

Prototype

OptionalDouble findFirst();

Source Link

Document

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

Usage

From source file:Main.java

public static void main(String[] args) {
    DoubleStream b = DoubleStream.of(1.1, 2.2, 3.3, 4.4, 5.5);
    OptionalDouble d = b.findFirst();
    if (d.isPresent()) {
        System.out.println(d.getAsDouble());
    } else {/*from   w w  w. ja  va2s .  c  o  m*/
        System.out.println("no data");
    }
}

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