public void setDeviceId(String deviceId) {
        this.deviceId = deviceId;
    }
<p>
The ID of the physical device to be associated with the given placement in the project. Note that a mandatory 4
character prefix is required for all <code>deviceId</code> values.
</p>

@param deviceId
       The ID of the physical device to be associated with the given placement in the project. Note that a
       mandatory 4 character prefix is required for all <code>deviceId</code> values.
aws-java-sdk-iot1clickprojects/src/main/java/com/amazonaws/services/iot1clickprojects/model/AssociateDeviceWithPlacementRequest.java