Absolute C++ (4th Edition) part 59 ppt

... is called. order of constructor calls Inheritance Basics 593 Display 14.6 Implementation for the Derived Class SalariedEmployee (part 1 of 2) 1 2 //This is the file salariedemployee.cpp 3 ... ). We have placed the class Employee and the two derived classes in the same namespace. C++ does not require that they be in the same namespace, but since they are related classes, it ....

Ngày tải lên: 04/07/2014, 05:21

... is for the function declaration and the main part of the program to appear in one or more files, with the function declaration before the main part of the program, and for the function definition ... so we will place the function definitions after the main part of the program. If the full function definition is placed before the main part of the program, the function declaration can be...

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... used by C++ for plugging in an argument for a formal parameter when a function is invoked. There are two basic kinds of parameters and therefore two basic plugging-in mecha- nisms in C++. The ... next few subsections describe the call-by-reference mechanism in more detail and also explain the particular functions used in Display 4.2. ■ CALL-BY-REFERENCE MECHANISM IN DETAIL In most situatio...

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... "Buon Appetito!\n"; 56 } 57 double unitPrice(int diameter, double price) 58 { 59 const double PI = 3.14 159; 60 double radius, area; 61 radius = diameter/static_cast<double>(2); 62 ... parameters 04_CH04.fm Page 145 Wednesday, August 13, 2003 12:49 PM Parameters 149 Display 4.5 Buying Pizza (part 1 of 2) 1 //Determines which of two pizza sizes is the best buy. 2 #includ...

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... do something like this. However, C++ overloading allows for a more elegant solution. In C++ you can simply use the same function name ave for both functions. In C++ you can use the following function ... } 54 double unitPrice(int diameter, double price) 55 { 56 const double PI = 3.14 159; 57 double radius, area; 58 59 radius = diameter/double(2); 60 area = PI * radius * radius; 61 r...

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... 187 Functions That Return an Array 188 Example: Production Graph 188 5.3 PROGRAMMING WITH ARRAYS 194 Partially Filled Arrays 194 Tip: Do Not Skimp on Formal Parameters 194 Example: Searching an Array ... rather than write a completely new program to test each function. For Display 4.9 Driver Program (part 2 of 2) S AMPLE D IALOGUE \ Enter diameter and price: 13 14.75 Unit price is: $0.111...

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... 189 production figures for each department, such as the teaspoon department, soup spoon depart- ment, plain cocktail spoon department, colored cocktail spoon department, and so forth. More- over, ... PM Arrays in Functions 191 Display 5.4 Production Graph Program (part 3 of 4) 50 cout << "Enter number of units produced by each department.\n" 51 << "Append a negati...

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... 05_CH05.fm Page 219 Wednesday, August 13, 2003 12:51 PM 218 Arrays bers in the partially filled array. Since a partially filled array requires two arguments, the function will actually have ... function called deleteRepeats that has a partially filled array of characters as a formal parameter and that deletes all repeated letters from the array. Since a partially filled array requires tw...

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... Constructors 273 Display 7.2 Bank Account Class (part 5 of 5) 161 return static_cast<int>(amount); 162 } 163 //Uses cmath: 164 int BankAccount::centsPart(double amount) 165 { 166 double doubleCents ... of the const modifier is an all-or-nothing proposition. If you use const for one parameter of a particular type, then you should use it for every other parameter that has that type an...

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... //negative cents. Negative $4.50 is represented as -4 and -50. 25 int dollarsPart(double amount) const; 26 int centsPart(double amount) const; 27 int round(double number) const; 28 }; 29 int main( ... //negative cents. Negative $4.50 is represented as -4 and -50. 25 int dollarsPart(double amount) const; 26 int centsPart(double amount) const; 27 int round(double number) const; 28 }; 29 int ma...

Ngày tải lên: 04/07/2014, 05:21