public void setStartTime(java.util.Date startTime) {
        this.startTime = startTime;
    }
<p>
The time when the observation was first detected, in epoch seconds.
</p>

@param startTime
       The time when the observation was first detected, in epoch seconds.
aws-java-sdk-applicationinsights/src/main/java/com/amazonaws/services/applicationinsights/model/Observation.java