public void setVpcId(String vpcId) {
        this.vpcId = vpcId;
    }
<p>
The ID of the VPC to associate with the Client VPN endpoint. If no security group IDs are specified in the
request, the default security group for the VPC is applied.
</p>

@param vpcId
       The ID of the VPC to associate with the Client VPN endpoint. If no security group IDs are specified in the
       request, the default security group for the VPC is applied.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/CreateClientVpnEndpointRequest.java