T5 - OOP in Pascal (Class and Object)

CLASSES and OBJECTS in Pascal

Structure of Class in Pascal

Class Structure DATA fields (instance variables). METHODS (invoked by messages sent by clients or sent by object itself).

Class in Pascal corresponds to the TYPE of Object

{—————————-interface part—————}

Type PersonPtr = ^Person; Person = OBJECT

Name : string[30];
Tel : integer;
Constructor Init(IName : str20, ITel : integer);
Procedure Display;
Function Edit : char;

end;

{———————–implementation part————-} Constructor Person.Init(IName : str20, ITel : integer); Begin

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