public void setAccountId(String accountId) {
        this.accountId = accountId;
    }
<p>
The Amazon Web Services account ID of the Auto Scaling group.
</p>

@param accountId
       The Amazon Web Services account ID of the Auto Scaling group.
aws-java-sdk-computeoptimizer/src/main/java/com/amazonaws/services/computeoptimizer/model/AutoScalingGroupRecommendation.java