Programming and Graphics

Classes and Objects^6 The intelligent mind has a natural tendency to classify objects, items, concepts, and abstract notions int ...

150 Introduction to C++ Programming and Graphics Generic: Group Member Action Maths: Space Element Operation OOP: Class Object M ...

6.1 Class objects and functions 151 6.1 Class objects and functions An apple can be declared and initialized as a member of the ...

152 Introduction to C++ Programming and Graphics Problem 6.1.1.If thestringdata type were not available, what would be a sensibl ...

6.3 Class definition 153 Destructors Destructors are member functions that delete an object for revenge or to free up memory and ...

154 Introduction to C++ Programming and Graphics Default constructor Our first public definition is the default constructor. The ...

6.3 Class definition 155 fruit(q, w, ..., e); ... private: ... }; Like the default constructor, the parametered constructor does ...

156 Introduction to C++ Programming and Graphics public: fruit(); fruit(q, w, ..., e); ~fruit(); ... private: ... }; To abandon ...

6.3 Class definition 157 class fruit { public: fruit(); fruit(q, w, ..., e); string readcolor(a, b, ..., c) const; void change(g ...

158 Introduction to C++ Programming and Graphics q = valueq; w = valuew; ... e = valuee; } where “valueq”, “valuesw”, etc., are ...

6.4 Private fields, public fields, and global variables 159 class fruit { public: fruit(); { q=dvq; w=dvw; e=dve; } fruit(q, w, ...

160 Introduction to C++ Programming and Graphics public: fruit(); fruit(q, w, ..., e); ~fruit(); string readcolor(a, b, ..., c) ...

6.5 The fruit class 161 To operate on an apple with this function, we write: fruit apple = fruit(valueq, valuew, ,...valuee); ap ...

162 Introduction to C++ Programming and Graphics size = 1.2; } The implementation of the parametered constructor is: fruit::frui ...

6.6 Friends 163 Running this program prints on the screen: green green red yellow Because the attributecolorhas been declared as ...

164 Introduction to C++ Programming and Graphics string readcolor(bool Iprint) const; void changecolor(string newcolor); private ...

6.7 Circles and squares 165 The circles are defined by their center and radius, and the squares are defined by their center and ...

166 Introduction to C++ Programming and Graphics The square class implementation is: //--- SQUARE CLASS IMPLEMENTATION square::s ...

6.8 Algebra on real numbers 167 Problems 6.7.1.Add to the circle class a member function that computes and prints the area of a ...

168 Introduction to C++ Programming and Graphics void print() const; void shift(double string); private: double x; string color; ...