public void setTrainingDataCollectionStartDate(java.util.Date trainingDataCollectionStartDate) {
        this.trainingDataCollectionStartDate = trainingDataCollectionStartDate;
    }
<p>
The date a training model started collecting data.
</p>

@param trainingDataCollectionStartDate
       The date a training model started collecting data.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/BehaviorModelTrainingSummary.java