public void setLastUpdateTime(java.util.Date lastUpdateTime) {
        this.lastUpdateTime = lastUpdateTime;
    }
<p>
The last time the dataset was updated.
</p>

@param lastUpdateTime
       The last time the dataset was updated.
aws-java-sdk-iotanalytics/src/main/java/com/amazonaws/services/iotanalytics/model/DatasetSummary.java