Source of 3.21.java

Structures and functions

  1:         /** Removes one unspecified entry from this bag, if possible.
  2:        @return  Either the removed entry, if the removal was successful, 
  3:                 or null */
  4:         public T remove()
  5:         {
  6:                 T result = null;
  7:       if (firstNode != null)
  8:       {
  9:          result = firstNode.data; 
 10:          firstNode = firstNode.next; // Remove first node from chain
 11:          numberOfEntries--;
 12:       } // end if
 13: 
 14:                 return result;
 15:         } // end remove