Java note

@link:
/** 
  *亂說一同
  * @link package.class #getValue 
  * @param   
  * @see #getValue 
  */ @link是一個連接標記,在doc裡會多增加一個See Also(默認的類是自己) #member label就是把@see獲取到。你可以試一下就明白了
http://topic.csdn.net/t/20031222/14/2589902.html

@SuppressWarnings

hiding to suppress warnings relative to locals that hide variable

http://www.thebuzzmedia.com/supported-values-for-suppresswarnings/ 

java.lang.Object
  IntentService
      com.google.android.gcm.GCMBaseIntentService

Field Summary
static java.lang.String
TAG 

public class GCMIntentService extends GCMBaseIntentService {

  //  @SuppressWarnings("hiding")
    private static final String TAG = "GCMIntentService";

     public GCMIntentService() {
         super("SENDER_ID");
     }

 protected GCMBaseIntentService(String senderId) {
        // name is used as base name for threads, etc.
        super("GCMIntentService-" + senderId + "-" + (++sCounter));
        mSenderId = senderId;
    }

Constructor Summary
protected
GCMBaseIntentService() 
          Constructor that does not set a sender id, useful when the sender id is context-specific.
protected
GCMBaseIntentService(java.lang.String... senderIds) 
          Constructor used when the sender id(s) is fixed.