Example usage for java.util OptionalDouble orElse

Introduction

In this page you can find the example usage for java.util OptionalDouble orElse.

Prototype

public double orElse(double other) 

Source Link

Document

If a value is present, returns the value, otherwise returns other .

Usage

From source file:com.devnexus.ting.model.CfpSubmission.java

public Double getRating() {
    final List<Integer> ratings = new ArrayList<>();

    for (CfpSubmissionReview review : this.cfpSubmissionReviews) {
        ratings.add(review.getRating());
    }/*  w w w.  ja v a2 s .  com*/

    OptionalDouble averageRating = ratings.stream().mapToDouble(a -> a).average();

    return averageRating.orElse(0d);
}

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