public void setHostIdSet(java.util.Collection<String> hostIdSet) {
        if (hostIdSet == null) {
            this.hostIdSet = null;
            return;
        }

        this.hostIdSet = new com.amazonaws.internal.SdkInternalList<String>(hostIdSet);
    }
<p>
The IDs of the Dedicated Hosts with which the reservation will be associated.
</p>

@param hostIdSet
       The IDs of the Dedicated Hosts with which the reservation will be associated.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/PurchaseHostReservationRequest.java