functions in c programming language ppt
The C# Programming Language Fourth Edition ppt
Ngày tải lên :
15/03/2014, 17:20
... declared without the static modifier defines an instance field. Every instance of a
class contains a separate copy of all the instance fields of that class.
In the following example, each instance ... acme.cs, the
command line
csc /t:library acme.cs
compiles the example as a library (code without a Main entry point) and produces an
assembly named acme.dll.
Assemblies contain executable code ... Structs inherit from object indirectly. Their implicit
direct base class is System.ValueType, which in turn directly inherits from object.
An interface type defines a contract as a named...
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Object-Oriented Programming in C++, Fourth Edition ppt
Ngày tải lên :
30/03/2014, 02:20
... //for cout, etc.
using namespace std;
int main()
{
char charvar1 = ‘A’; //define char variable as character
char charvar2 = ‘\t’; //define char variable as tab
cout << charvar1; //display character
cout ... files containing library functions and objects will be linked
to your program to create an executable file. These files contain the actual machine-executable
code for the functions. Such library ... backslash causes an
“escape” from the normal way characters are interpreted. In this case the t is interpreted not as
the character ‘t’ but as the tab character. A tab causes printing to continue...
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Windows Phone Programming in C# Rob Miles pptx
Ngày tải lên :
28/06/2014, 14:20
...
When you install the framework you get a command line compiler which can
take C# source files and convert them into executable ones using console
commands such as:
csc MyProg.cs
This command ... then putting it back (which is really all
computers do). The most popular speed measure in a computer is the clock
speed. A CPU has a clock that ticks when it is running. At each clock tick the ...
1. Windows Phone is a powerful computing platform.
2. All Windows Phone devices have a core specification. This includes a
particular size of display, capacitive touch input that can track at...
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A Complete Guide to Programming in C++ part 3 pptx
Ngày tải lên :
06/07/2014, 17:21
... 734
Explicit Instantiation 736
Exercises 738
Solutions 742
Chapter 33 Containers 749
Container Types 750
Sequences 752
Iterators 754
Declaring Sequences 756
Inserting in Sequences 758
Accessing Objects ... object representing an account in a program will have properties
and capacities that are important for account management.
OOP objects combine data (properties) and functions (capacities). A class ... class defines a
certain object type by defining both the properties and the capacities of the objects of
that type. Objects communicate by sending each other “messages,” which in turn acti-
vate...
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A Complete Guide to Programming in C++ part 11 ppt
Ngày tải lên :
06/07/2014, 17:21
... Manipulator setw()
using namespace std;
int main()
{
unsigned char c = 0;
unsigned int code = 0;
cout << "\nPlease enter a decimal character code: ";
cin >> code;
c = code; // Save ... output
cout << "\nThe corresponding character: " << c << endl;
code = c; // Character code. Is only
// necessary, if input is > 255.
cout << "\nCharacter codes"
<< ... setw()
#include <string> // Class string
using namespace std;
int main()
{
string word; // To read a word.
// char ch; is not needed.
// cout << instead of cin >> .
cout <<...
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A Complete Guide to Programming in C++ part 29 ppt
Ngày tải lên :
06/07/2014, 17:21
... additional
exercise—references and pointers to objects.
268
■
CHAPTER 14 METHODS
// account2_t.cpp
// Using the constructors of class Account.
//
#include "account.h"
int main()
{
Account ... holiday.print();
return 0;
}
266
■
CHAPTER 14 METHODS
// account.h
// Defining class Account with two constructors.
//
#ifndef _ACCOUNT_
#define _ACCOUNT_
#include <string>
using namespace std;
class ... state = 0.0;
}
■
CONSTRUCTORS
Class Account with constructors
Defining the constructors
CONSTRUCTORS
■
267
ᮀ The Task of a Constructor
Traditional programming languages only allocate memory for...
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A Complete Guide to Programming in C++ part 35 pptx
Ngày tải lên :
06/07/2014, 17:21
... 328
■
CHAPTER 16 ARRAYS
// AccountTab.cpp
// An array containing objects of class Account.
//
#include "account.h" // Definition of class Account
#include <iostream>
using namespace ... string “Hello Eve" only occupies the first 9 bytes.
✓
NOTE
// C- string.cpp : Using C strings.
//
#include <iostream>
#include <iomanip>
#include <cstring>
using namespace ... opposite.
In the C language, strings are usually represented as char vectors with a terminating
null character. In C+ +, strings of this type are referred to as C strings to distinguish them
from objects...
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A Complete Guide to Programming in C++ part 38 ppt
Ngày tải lên :
06/07/2014, 17:21
... found account.
//
#include "account.h" // Definition of class Account.
Account accountTab[100]; // Table containing accounts.
int main()
{
int cnt; // Actual number of accounts.
Account ... Pointer to Account-objects.
// To input data into accountTab and actualize cnt.
// To search for the account number 1234567:
bool found = false;
for( aPtr = accountTab; aPtr < accountTab+cnt;++aPtr)
if( ... function reverse() on the opposite page copies the characters of a C string to
a second char array in reverse order, first copying the last character in s1, that is, the
character with the index...
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A Complete Guide to Programming in C++ part 46 ppt
Ngày tải lên :
06/07/2014, 17:21
... fractions
//
#ifndef _FRACTION_
#define _FRACTION_
#include <iostream>
#include <cstdlib>
using namespace std;
class Fraction
{
private:
long numerator, denominator;
public:
Fraction(long ... "Enter the price in Euros: "
cin >> price;
The second statement causes the following call:
operator>>( cin, price);
As cin is an object of the standard istream class, the first ... return hour; }
int getMinute() const { return minute; };
int getSecond() const { return second; };
int asSeconds() const // daytime in seconds
{
return (60*60*hour + 60*minute + second);
}
DayTime&...
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A Complete Guide to Programming in C++ part 54 ppt
Ngày tải lên :
06/07/2014, 17:21
... setAxles( int a );
int getAxles() const;
void setCapacity( double cp );
void getCapacity() const;
void display() const;
■
EXERCISES
For exercise 1
Class Truck being derived from class Car
REDEFINING ... member objects are created and
destroyed.
Exercise 2
Derive two classes, DepAcc and SavAcc, from the Account class, which was
defined in Chapter 14, in the section titled “Const Objects and Methods.”
Additionally ... could contain the dimen-
sions and other characteristics of a general windows. The characteristics need protecting;
however, methods in derived classes will still need direct access.
ᮀ Protected...
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A Complete Guide to Programming in C++ part 62 ppt
Ngày tải lên :
06/07/2014, 17:21
... base classes PassCar and Van contain a method called getProd(), which
they both inherited from the Car class. In this case the compiler cannot decide which
method is meant.
Ambiguity in the context ... matter whether a class derived directly
from Car contains a base initializer or not. Base initializers for virtual indirect base
classes defined in the constructor of a direct base class are ignored. ... page
shows the inheritance and definition schemes for the new class. An object of the
MotorHome class contains both the members of Car and the members of Home. More
specifically, the object contains two...
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A Complete Guide to Programming in C++ part 67 pptx
Ngày tải lên :
06/07/2014, 17:21
... ABOUT FILES
// account.h : Defines the classes
// Account, DepAcc, and SavAcc
// with virtual read and write methods.
//
// . . .
enum TypeId { ACCOUNT, DEP_ACC, SAV_ACC };
class Account
{
private: ... exceptio.h : Exception classes for file access
//
#ifndef _EXCEPTIO_H
#define _EXCEPTIO_H
#include <string>
#include <iostream>
using namespace std;
class FileError
{
private:
string filename;
public:
FileError( ... as
"account.fle" cannot be found.
POSITIONING FOR RANDOM ACCESS
■
641
ᮀ Discovering and Changing the Current Position
The file stream classes comprise methods to discover and change the current position in
a...
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A Complete Guide to Programming in C++ part 69 ppt
Ngày tải lên :
06/07/2014, 17:21
... \n"
<< endl;
}
};
class SavAcc: public Account
{
private:
double interest; // Compound interest
public:
// Methods as in class DepAcc.
};
//
// The definition of class AccFile
class AccFile
{
private:
fstream ... ReadError(name);
Account* buf;
switch( id )
{
case ACCOUNT: buf = new Account;
break;
case SAV_ACC: buf = new SavAcc;
break;
666
■
CHAPTER 29 MORE ABOUT FILES
case DEP_ACC: buf = new DepAcc;
break;
}
if( ... files.
//
#ifndef _ACCOUNT_H
#define _ACCOUNT_H
#include <fstream>
#include <iostream>
#include <iomanip>
#include <string>
using namespace std;
#include "exceptio.h"
enum...
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A Complete Guide to Programming in C++ part 71 pptx
Ngày tải lên :
06/07/2014, 17:21
... of pointers to accounts
// according to the account numbers
//
#include "account.h"
void ptrSwap(Account**, Account** );
void accSort( Account** kptr, int n)
{
Account **temp, **minp, ... Dynamically
Now let’s look into creating a dynamic array of pointers to Account class objects.
Example: Account** ptr = new Account*[400];
The pointer ptr is now pointing at the first pointer in the array ... with CR = '\r'!
// Returns: Character that breaks the input.
//
#include <stdarg.h>
#include <conio.h> // For getch() and putch()
int input(char *buffer, int max, )
{
int c, ...
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A Complete Guide to Programming in C++ part 73 pptx
Ngày tải lên :
06/07/2014, 17:21
... needed for sorting are displayed.
//
#include <iostream>
#include <iomanip>
#include <cstdlib>
#include <ctime>
using namespace std;
void isort(int *v, int lenv);
// For ... letters, and converting binary
numbers. Finally, the definition of bit-fields is introduced.
chapter
31
SOLUTIONS
■
703
Matrix:: Matrix( const Matrix& m)
{
lines = m.lines; cols = m.cols; // ... getbin_t.cpp: Defines the function getbin(), which
// reads a binary number (ex. 0101 )
// from the standard input, and returns
// a value of type unsigned int.
//
#include <iostream>
using...
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