public void setEndDateTime(java.util.Date endDateTime) {
        this.endDateTime = endDateTime;
    }
<p>
The date/time the instance group was terminated.
</p>

@param endDateTime
       The date/time the instance group was terminated.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/InstanceGroupDetail.java