Absolute C++ (4th Edition) part 51 ppt

... I/O Streams 511 S UMMARY OF F ILE I/O S TATEMENTS In this example the input comes from a file with the name ... >> someVariable >> someOtherVariable; For file I/O For cout For exit I/O Streams 515 double, but this method of checking for the end of the file works the same way for other data ... such as int and char. This second method of testing for the end of a file is p...

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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... Parameter Names 147 Example: Buying Pizza 147 4.2 OVERLOADING AND DEFAULT ARGUMENTS 151 Introduction to Overloading 151 Pitfall: Automatic Type Conversion and Overloading 154 Rules for Resolving Overloading ... 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...

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... P IZZA The large “economy” size of an item is not always a better buy than the smaller size. This is partic- ularly true when buying pizzas. Pizza sizes are given as the diameter of the pizza in inches. ... 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 #incl...

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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 ... << mpg(45, 2) << " miles per gallon"; When C++ sees the function call mpg(45, 2), which has two arguments of type int, C++ first looks for a function defin...

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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 ... SELF-TEST EXERCISES 212 PROGRAMMING PROJECTS 216 05_CH05.fm Page 171 Wednesday, August 13, 2003 12 :51 PM Programming Projects 169 Include a loop that lets the user repeat this computation...

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... 12 :51 PM Arrays in Functions 189 production figures for each department, such as the teaspoon department, soup spoon depart- ment, plain cocktail spoon department, colored cocktail spoon department, ... August 13, 2003 12 :51 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...

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... another choice. 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 ... 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 requir...

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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