public void setRootDeviceVolumeId(String rootDeviceVolumeId) {
        this.rootDeviceVolumeId = rootDeviceVolumeId;
    }
<p>
The root device volume ID.
</p>

@param rootDeviceVolumeId
       The root device volume ID.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/Instance.java