CS136 Study Guide - Final Guide: Call Stack, Scanf Format String, Null Character
31 Aug 2016
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Maintainability easier to test and debug, replace an entire module with a more efficient and more robust implementation. Abstraction can use the module without understanding how it is implemented. High cohesion all of the interface function are related and working toward a common goal . Security: prevents the client from tampering with data used by the module. Flexibility: can change the implementation in the future/can change the implementation without changing the interface. Module no top level expression, a set of functions. Program - top level expressions, execute itself, is a function application. Racket: entry point: the top of the file you are. Uses constant values that never change. (begin( )) produces the value of the last expression. C: entry point: a special function named main, type: static typing the type of an identifier must be known before the program is run.
