public String getAvailabilityZone() {
        return this.availabilityZone;
    }
<p>
The Availability Zone (AZ) where the read replica will be created.
</p>
<p>
Default: A random, system-chosen Availability Zone in the endpoint's Amazon Web Services Region.
</p>
<p>
Example: <code>us-east-1d</code>
</p>

@return The Availability Zone (AZ) where the read replica will be created.</p>
        <p>
        Default: A random, system-chosen Availability Zone in the endpoint's Amazon Web Services Region.
        </p>
        <p>
        Example: <code>us-east-1d</code>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/CreateDBInstanceReadReplicaRequest.java