Sams Teach Yourself C++ in 21 Days

40: // value passed in by parameter age 41: itsAge = age; 42: } 43: 44: // definition of Meow method 45: // returns: void 46: // ...

Understanding Object-Oriented Programming 157 6 Lines 24–26 show the implementation of the destructor ~Cat(). For now, this func ...

GetAge()simply returns the current value of the member variable itsAge. Therefore, the declaration of these functions should be ...

Understanding Object-Oriented Programming 159 6 LISTING6.5 A Demonstration of Violations of the Interface 1: // Demonstrates com ...

49: void Cat::Meow() 50: { 51: std::cout << “Meow.\n”; 52: } 53: 54: // demonstrate various violations of the 55: // inter ...

Understanding Object-Oriented Programming 161 6 Line 61 shows itsAgebeing assigned the value 7. Because itsAgeis a private data ...

You are free to put the declaration in this file as well, but that is not good programming practice. The convention that most pr ...

Understanding Object-Oriented Programming 163 6 You can also put the definition of a function into the declaration of the class, ...

LISTING6.7 CatImplementation in Cat.cpp 1: // Demonstrates inline functions 2: // and inclusion of header files 3: // be sure to ...

Understanding Object-Oriented Programming 165 6 This technique enables you to put your declarations into a different file from y ...

21: ~Rectangle () {} 22: 23: int GetTop() const { return itsTop; } 24: int GetLeft() const { return itsLeft; } 25: int GetBottom ...

Understanding Object-Oriented Programming 167 6 9: 10: itsUpperLeft.SetX(left); 11: itsUpperLeft.SetY(top); 12: 13: itsUpperRigh ...

168 Day 6 Some compilers report an error if you declare a class named Rectangle. This is usually because of the existence of an ...

Understanding Object-Oriented Programming 169 6 On line 38, you make a local variable,Area, of type int. This variable holds the ...

Try re-entering Listing 6.8 with these changes: On line 3, change class Pointto struct Point. On line 17, change class Rectangl ...

Understanding Object-Oriented Programming 171 6 Q&A ........................................................................ ...

Q Is there ever a reason to use a structure in a C++ program? A Many C++ programmers reserve the structkeyword for classes that ...

Understanding Object-Oriented Programming 173 6 Exercises ...................................................................... ...

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DAY 7 WEEK 1 7 More on Program Flow Programs accomplish most of their work by branching and looping. On Day 4, “Creating Express ...