public java.util.List<PlacementStrategy> getPlacementStrategy() {
        if (placementStrategy == null) {
            placementStrategy = new com.amazonaws.internal.SdkInternalList<PlacementStrategy>();
        }
        return placementStrategy;
    }
<p>
The task placement strategy objects to update the service to use. If no value is specified, the existing
placement strategy for the service will remain unchanged. If this value is specified, it will override the
existing placement strategy defined for the service. To remove an existing placement strategy, specify an empty
object.
</p>
<p>
You can specify a maximum of five strategy rules for each service.
</p>

@return The task placement strategy objects to update the service to use. If no value is specified, the existing
        placement strategy for the service will remain unchanged. If this value is specified, it will override
        the existing placement strategy defined for the service. To remove an existing placement strategy,
        specify an empty object.</p>
        <p>
        You can specify a maximum of five strategy rules for each service.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/UpdateServiceRequest.java