Absolute C++ (4th Edition) part 29 doc

... percentage 26 int dollarsPart(double amount) const { return static_cast<int>(amount); } 27 int centsPart(double amount) const; 28 int round(double number) const 29 { return static_cast<int>(floor(number ... 12:58 PM More Tools 283 Display 7.4 The const Parameter Modifier (part 2 of 3) 40 int dollarsPart(double amount) const; 41 int centsPart(double amount) const; 42 int r...

Ngày tải lên: 04/07/2014, 05:21

... in a cout statement spaces in output newline character 01_CH01.fm Page 29 Wednesday, August 20, 2003 2:21 PM 30 C++ Basics Tip Although "\n" and endl mean the same thing, they are ... such cases C++ performs an automatic type cast, converting the 5 to 5.0 and placing 5.0 in the variable d. You cannot store the 5 as the value of d without a type cast, but sometimes C++ d...

Ngày tải lên: 04/07/2014, 05:21

... allow you to use the standard C++ libraries. ■ LIBRARIES AND include DIRECTIVES C++ includes a number of standard libraries. In fact, it is almost impossible to write a C++ program without using ... but for now we only need include direc- tives for standard C++ libraries. A list of some standard C++ libraries is given in Appendix 4. C++ has a preprocessor that handles some simp...

Ngày tải lên: 04/07/2014, 05:21

... see numeric intervals given as 2 < x < 3 In C++ this interval does not have the meaning you may expect. Explain and give the correct C++ Boolean expression that specifies that x lies between ... the two alternatives in an if-else statement to do nothing at all. In C++ this can be accomplished by omitting the else part. These sorts of statements Branching Mechanisms 57 Self-Test...

Ngày tải lên: 04/07/2014, 05:21

... of a for statement may be any C++ expressions; therefore, they may involve more (or even fewer) than one variable, and the variables may be of any type. 1 The C++ standard does specify that ... ends the current iteration of the loop body. The break state- ment can be used with any of the C++ loop statements. We described the break statement when we discussed the switch statement. .....

Ngày tải lên: 04/07/2014, 05:21

... no intuitive meaning, but C++ converts the int values to bool and then evaluates the && and ! operations. Thus, C++ will evaluate this mess. Recall that in C++, any nonzero integer converts ... to false, so C++ will evaluate (5 && 7) + (!6) as follows. In the expression (5 && 7), the 5 and 7 convert to true; true && true evaluates to true, which...

Ngày tải lên: 04/07/2014, 05:21

... score[2] , score[3] , and score[4] . The part that does not change, in this case score , is the name of the array. The part that can change is the integer in the square brackets, ... of the array. The number in square brackets is called an index or a subscript . In C++, indexes are numbered starting with 0 , not starting with 1 or...

Ngày tải lên: 04/07/2014, 05:21

... 232 Structures and Classes Display 6.2 A Structure with a Structure Member (part 1 of 2) 1 //Program to demonstrate the CDAccount structure type. 2 #include <iostream> 3 ... theDate.year 26 //have been given values that the user entered at the keyboard. 27 int main( ) 28 { 29 CDAccount account; 30 cout << "Enter account data on the day account was opened:\n"; 31 .....

Ngày tải lên: 04/07/2014, 05:21

... in C, not C++. 16. When you define a C++ class, should you make the member variables public or private? Should you make the member functions public or private? 17. When you define a C++ class, ... or private? 17. When you define a C++ class, what items are considered part of the interface? What items are considered part of the implementation? ■ A structure can be used to combin...

Ngày tải lên: 04/07/2014, 05:21

... TEMPLATE LIBRARY 290 Vector Basics 290 Pitfall: Using Square Brackets beyond the Vector Size 293 Tip: Vector Assignment Is Well Behaved 294 Efficiency Issues 294 CHAPTER SUMMARY 296 ANSWERS TO ... are parts of the interface. All the declarations for private member functions are parts of the implementation. All member function definitions (whether the function is public or priva...

Ngày tải lên: 04/07/2014, 05:21