Operators as methods object of the class is the first argument of the operator we declare all arguments, but the first one declaring int point::operator...
Operators vs Methods different syntax for declaring, defining an calling no default arguments allowed (exception: function call operator) there is a fixed number of arguments for specific operator (exception: function call operator) there is a traditional semantics (meaning) of operators ...
Paradigm of the object oriented programming object oriented programming — a programming paradigm using "objects" - data structures consisting of data fields and methods together with their interactions A problem is seen as a set of objects and as a relations among objects. ...
What is Data Abstraction Strong division between the interface and the implementation helps to reuse and share the code Modification of the implementation does not require modifications of the rest of the program (if the interface remains the same) ...
What is OOP OOP means Object Oriented Programming Promotes strong associations between data and methods of manipulating data Inheritance - relationships between objects - children inherit properties of their ancesors, may add and change ...
A default pointer value … use a space between * and = Correct: - void f(char* ="Abc"); - void g(int * = NULL); - void g(int* =NULL); Wrong: - void f(char*="Abc"); - void g(int *= NULL); - void g(int*=NULL); ...
Constructor and destructor for a derived class - initialization list To initialize members declared in the class (not inherited) To specify arguments for constructors of virtual and direct base classes. ...
Convention for ++ and -- operator++() and operator--() are prefix ones ++i --i postfix operators should be defined using one additional unnamed int argument: operator++(int); operator--(int); i++ i-- ...
Enum enum numbers {ZERO, ONE, FIVE=5, SIX}; ” numbers” is an optional name of a new type conversion from enum to int is automatic ...
Index operator result T::operator[](index); Any type of result and index allowed, common sense implies integer index We may use objects as if they were arrays ...
