public void setCreationDateTime(java.util.Date creationDateTime) {
        this.creationDateTime = creationDateTime;
    }
<p>
The date and time when the entity was created.
</p>

@param creationDateTime
       The date and time when the entity was created.
aws-java-sdk-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/CreateComponentTypeResult.java