public void setSingleAvailabilityZone(Boolean singleAvailabilityZone) {
        this.singleAvailabilityZone = singleAvailabilityZone;
    }
<p>
Indicates that the fleet launches all On-Demand Instances into a single Availability Zone.
</p>
<p>
Supported only for fleets of type <code>instant</code>.
</p>

@param singleAvailabilityZone
       Indicates that the fleet launches all On-Demand Instances into a single Availability Zone.</p>
       <p>
       Supported only for fleets of type <code>instant</code>.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/OnDemandOptionsRequest.java