System Integration

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Definition Of Coupling

My definition of coupling is it is the measure of the communication between two entities, two entities that have a high coupling factor communicate a lot, two entities that have a low coupling factor do not communicate a lot.

 

A high coupling could be, say, be between two functions within a software object, they both rely on the other to work, one needs the results of another.  They need to communicate with each other to work.

 

A low coupling could be exhibited between two objects within a software program.  They are separate, they do not have a direct relationship, they do not need  to communicate with each other to work, no messages are passed from one to another.