public void setArn(String arn) {
        this.arn = arn;
    }
<p>
The unique Amazon Resource Name (ARN) for the certificate.
</p>

@param arn
       The unique Amazon Resource Name (ARN) for the certificate.
aws-java-sdk-transfer/src/main/java/com/amazonaws/services/transfer/model/DescribedCertificate.java