Absolute C++ (4th Edition) part 22 ppt

... 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...

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...

Ngày tải lên: 04/07/2014, 05:21

... 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 ... fee(hours, minutes); 19 cout.setf(ios::fixed); 20 cout.setf(ios::showpoint); 21 cout.precision(2); 22 cout << "For " << hours << " hours and " << minu...

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... parameter par2Ref. So when the following code is executed, par2Ref = 222 ; it is the same as if the following were executed: n2 = 222 ; Thus, the value of the variable n2 is changed when the function ... the function body is executed, so, as the dia- logue shows, the value of n2 is changed from 2 to 222 by the function call. If you keep in mind the lesson of Display 4.3, it is easy to de...

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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 ... August 13, 2003 12:49 PM 158 Parameters and Overloading Display 4.7 Revised Pizza Program (part 2 of 3) 22 cin >> priceRound; 23 cout << "Enter length and width in...

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... 10/100.0, or one-tenth of the cost. 7. par1Value in function call = 111 par2Ref in function call = 222 n1 after function call = 1 n2 after function call = 2 8. The one with one parameter would be ... 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...

Ngày tải lên: 04/07/2014, 05:21

... 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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... 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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... const; 22 private: 23 int dollars; //A negative amount is represented as negative dollars and 24 int cents; //negative cents. Negative $4.50 is represented as -4 and -50. 25 int dollarsPart(double ... amount); 22 private: 23 int dollars; //A negative amount is represented as negative dollars and 24 int cents; //negative cents. Negative $4.50 is represented as -4 and -50. 25 int dollarsPa...

Ngày tải lên: 04/07/2014, 05:21

... operator is needed when the only data consists of built-in types. b. Same as part a for a copy constructor. c. Same as part a for a destructor. ■ A pointer is a memory address, so a pointer provides ... should provide a void member function that allows setting a particular row and column entry and a member function that returns a particular row and column entry as a value of type dou...

Ngày tải lên: 04/07/2014, 05:21