... <iostream>
using namespace std;
int gVar1; // Global variables,
int gVar2 = 2; // explicit initialization
int main()
{
char ch(&apos ;A& apos;); // Local variable being initialized
// or: char ch = &apos ;A& apos;;
cout ... records are stored in variables to
enable their processing by a program. Variables are also referred to as objects, particularly
if they belong to a clas...
... This makes the string class available and allows user-
friendly string manipulations in C++. The following pages contain further details on this
topic.
ᮀ Header Files in the C Programming Language
The ... header files standardized for the C programming language were adopted for the C++
standard and, thus, the complete functionality of the standard C libraries is available to
C...
... operator has a
value and belongs to a certain type. The type and value are defined by the last expression
in a statement separated by commas.
Example: x = (a = 3, b = 5, a * b);
In this example ... can define and initialize a variable within an if statement. The expression is true if
converting the variable’s value to a bool type yields true. In this case the variable i...
... particularly applies to converting negative floating-
point numbers to unsigned integers (see Example 4).
c. Conversion of a floating-point type to a smaller type
If the floating-point number falls ... long to float, some
rounding may occur.
4. Conversion of a floating-point type to a larger floating-point type
Examples: float to double, double to long double
The value i...
... always static. These objects are created when
a program is launched and are available until the program is terminated.
Four storage classes are available for creating objects with the scope and ... central objects defined as extern.
✓
NOTE
204
■
CHAPTER 11 ST0RAGE CLASSES AND NAMESPACES
// StrToL.cpp
// The function strToLong() converts a string containing
// a leading integer into an i...
... 2
Write a program that uses the cin method get() to read a line character by
character and stores it in a
char array.The line is then output in reverse order.
Use a pointer, not an index, to address ... tool called
search, to which you can
pass any search pattern via the command line.The program should issue an
error message and terminate if the command line does not conta...
... example is a linked list that is stored in main memory and has the following
characteristics:
■ each list element contains a data store for the live data and a pointer to the next
element in the ... Data Structures
Now, let’s implement a linked list as a sample application. A linked list is a dynamic data
structure that allows easy insertion and deletion of data. A data...
... selectionSort().
inline void swap( int& a, int& b) // To swap.
{ int temp = a; a = b; b = temp; }
void selectionSort( int *arr, int len)
{
register int *p, *minp; // Pointer to array elements,
int *last ... os;
}
477
Dynamic Members
This chapter describes how to implement classes containing pointers to
dynamically allocated memory.These include
■ your own copy constructor...
... new data members.Also
redefine the methods
scanner() and printer() to take the new data
members into consideration.
■ Test the various classes in a main function that creates two objects each
of ... base class.
■ The Product class contains two data members of type long used for
storing barcodes and the product name. Define a constructor with
parameters for both data members.Add defau...