public void setMasterPublicDnsName(String masterPublicDnsName) {
        this.masterPublicDnsName = masterPublicDnsName;
    }
<p>
The DNS name of the master node. If the cluster is on a private subnet, this is the private DNS name. On a public
subnet, this is the public DNS name.
</p>

@param masterPublicDnsName
       The DNS name of the master node. If the cluster is on a private subnet, this is the private DNS name. On a
       public subnet, this is the public DNS name.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/JobFlowInstancesDetail.java