public void setFaces(java.util.Collection<Face> faces) {
        if (faces == null) {
            this.faces = null;
            return;
        }

        this.faces = new java.util.ArrayList<Face>(faces);
    }
<p>
An array of <code>Face</code> objects.
</p>

@param faces
       An array of <code>Face</code> objects.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/ListFacesResult.java