A need exists for these principles of OOP to be applied to {TAIL ~ a messaging interface} of an electronic messaging system such that a set of {HEAD ~ OOP classes} and objects for the messaging interface can be provided 
A need exists for these principles of OOP to be applied to { TAIL ~ a messaging interface } of an electronic messaging system such that a set of { HEAD ~ OOP classes } and objects for the messaging interface can be provided
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH