code: public final Object get(Object key)
      {
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.entry(this, cclass,
                          "get",
                          "key=" + key + "Object");
  
          java.util.Map subMap = getSubMap(key);
          Object returnValue;
          synchronized (subMap) {
              returnValue = subMap.get(key);
          } // synchronized (subMap).
  
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.exit(this, cclass,
                         "get",
                         "returns retuenVaue=" + returnValue + "(Object)");
          return returnValue;
      }
docs: Retrieve an object from the map based on its key.
  
  @param key for the Object to be removed.
  @return Object matching the key.