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More Programming Notes…
Value–the representation of some entity that can be manipulated by a program. The members of a ‘type‘ are the values of that type. Data are characteristics, or information, usually numerical, that are collected through observation. In a more technical sense, data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum (singular of data) is a single value of a single variable. In academic treatments, data are simply units of information. Data re employed in virtually every form of human organizational activity. Data are measured, collected & reported, and analyzed. Raw data (“unprocessed data” is a collection of numbers or…
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Data Members, ‘set’ Functions, & ‘get’ Functions–C++ Notes (C Plus Plus Notes)
Variables declared in a functions body are local variables, and can be used only from the point of their declaration in the function to the immediately following closing right brace (}). When a function terminates, the values of its local variables are lost. A local variable must be declared before it can be used in a function. A local variable cannot be accessed outside the function in which it’s declared. Data members normally are private. Variables or functions declared private are accessible only to member functions of the class in which they’re declared, or to friends of the class. When a program creates (instantiates) an object of a class, its…
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