public void setTrainingJobDefinitions(java.util.Collection<HyperParameterTrainingJobDefinition> trainingJobDefinitions) {
        if (trainingJobDefinitions == null) {
            this.trainingJobDefinitions = null;
            return;
        }

        this.trainingJobDefinitions = new java.util.ArrayList<HyperParameterTrainingJobDefinition>(trainingJobDefinitions);
    }
<p>
A list of the <a
href="https://docs.aws.amazon.com/sagemaker/latest/APIReference/API_HyperParameterTrainingJobDefinition.html"
>HyperParameterTrainingJobDefinition</a> objects launched for this tuning job.
</p>

@param trainingJobDefinitions
       A list of the <a href=
       "https://docs.aws.amazon.com/sagemaker/latest/APIReference/API_HyperParameterTrainingJobDefinition.html"
       >HyperParameterTrainingJobDefinition</a> objects launched for this tuning job.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/CreateHyperParameterTuningJobRequest.java