public void setSubnetIds(java.util.Collection<String> subnetIds) {
        if (subnetIds == null) {
            this.subnetIds = null;
            return;
        }

        this.subnetIds = new java.util.ArrayList<String>(subnetIds);
    }
<p>
The array of <a href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_Subnet.html">Subnet</a> IDs used
by the VPC configuration.
</p>

@param subnetIds
       The array of <a href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_Subnet.html">Subnet</a>
       IDs used by the VPC configuration.
aws-java-sdk-kinesisanalyticsv2/src/main/java/com/amazonaws/services/kinesisanalyticsv2/model/VpcConfiguration.java