public void setDomainId(String domainId) {
        this.domainId = domainId;
    }
<p>
The ID of the domain to be updated.
</p>

@param domainId
       The ID of the domain to be updated.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/UpdateDomainRequest.java