public void setRadius(Double radius) {
        this.radius = radius;
    }
<p>
The radius of the circle in meters. Must be greater than zero and no larger than 100,000 (100 kilometers).
</p>

@param radius
       The radius of the circle in meters. Must be greater than zero and no larger than 100,000 (100 kilometers).
aws-java-sdk-location/src/main/java/com/amazonaws/services/location/model/Circle.java