public void setCreateDate(java.util.Date createDate) {
        this.createDate = createDate;
    }
<p>
The date and time that the namespace was created.
</p>

@param createDate
       The date and time that the namespace was created.
aws-java-sdk-servicediscovery/src/main/java/com/amazonaws/services/servicediscovery/model/NamespaceSummary.java