public java.util.List<NetworkCardInfo> getNetworkCards() {
        if (networkCards == null) {
            networkCards = new com.amazonaws.internal.SdkInternalList<NetworkCardInfo>();
        }
        return networkCards;
    }
<p>
Describes the network cards for the instance type.
</p>

@return Describes the network cards for the instance type.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/NetworkInfo.java