public void setInstanceArn(String instanceArn) {
        this.instanceArn = instanceArn;
    }
<p>
The Amazon Resource Name (ARN) of the current instance.
</p>

@param instanceArn
       The Amazon Resource Name (ARN) of the current instance.
aws-java-sdk-computeoptimizer/src/main/java/com/amazonaws/services/computeoptimizer/model/InstanceRecommendation.java