public void setNetworkCards(java.util.Collection<NetworkCardInfo> networkCards) {
        if (networkCards == null) {
            this.networkCards = null;
            return;
        }

        this.networkCards = new com.amazonaws.internal.SdkInternalList<NetworkCardInfo>(networkCards);
    }
<p>
Describes the network cards for the instance type.
</p>

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