public void setStartTime(java.util.Date startTime) {
        this.startTime = startTime;
    }
<p>
The time at which operation was started.
</p>

@param startTime
       <p>
       The time at which operation was started.
       </p>
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/ClusterOperationV2.java