functions in c programming language ppt

The C# Programming Language Fourth Edition ppt

... 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 linecsc /t:library acme.cscompiles 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

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... //for cout, etc.using namespace std;int main(){char charvar1 = ‘A’; //define char variable as characterchar charvar2 = ‘\t’; //define char variable as tabcout << charvar1; //display charactercout ... files containing library functions and objects will be linkedto your program to create an executable file. These files contain the actual machine-executablecode for the functions. Such library ... backslash causes an“escape” from the normal way characters are interpreted. In this case the t is interpreted not asthe 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

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... 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...

A Complete Guide to Programming in C++ part 3 pptx

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... 734Explicit Instantiation 736Exercises 738Solutions 742Chapter 33 Containers 749Container Types 750Sequences 752Iterators 754Declaring Sequences 756Inserting in Sequences 758Accessing Objects ... object representing an account in a program will have propertiesand capacities that are important for account management.OOP objects combine data (properties) and functions (capacities). A class ... class defines acertain object type by defining both the properties and the capacities of the objects ofthat type. Objects communicate by sending each other “messages,” which in turn acti-vate...

A Complete Guide to Programming in C++ part 11 ppt

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... 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 ... outputcout << "\nThe corresponding character: " << c << endl;code = c; // Character code. Is only// necessary, if input is > 255.cout << "\nCharacter codes"<< ... setw()#include <string> // Class stringusing namespace std;int main(){string word; // To read a word.// char ch; is not needed.// cout << instead of cin >> .cout <<...

A Complete Guide to Programming in C++ part 29 ppt

Danh mục: Kỹ thuật lập trình

... additionalexercise—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;}■CONSTRUCTORSClass Account with constructorsDefining the constructors CONSTRUCTORS■267ᮀ The Task of a ConstructorTraditional programming languages only allocate memory for...

A Complete Guide to Programming in C++ part 35 pptx

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... 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 terminatingnull character. In C+ +, strings of this type are referred to as C strings to distinguish themfrom objects...

A Complete Guide to Programming in C++ part 38 ppt

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... 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 toa second char array in reverse order, first copying the last character in s1, that is, thecharacter with the index...

A Complete Guide to Programming in C++ part 46 ppt

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... 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&...

A Complete Guide to Programming in C++ part 54 ppt

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... setAxles( int a );int getAxles() const;void setCapacity( double cp );void getCapacity() const;void display() const;■EXERCISESFor exercise 1Class Truck being derived from class Car REDEFINING ... member objects are created anddestroyed.Exercise 2Derive two classes, DepAcc and SavAcc, from the Account class, which wasdefined 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...

A Complete Guide to Programming in C++ part 62 ppt

Danh mục: Kỹ thuật lập trình

... base classes PassCar and Van contain a method called getProd(), whichthey both inherited from the Car class. In this case the compiler cannot decide whichmethod is meant.Ambiguity in the context ... matter whether a class derived directlyfrom Car contains a base initializer or not. Base initializers for virtual indirect baseclasses defined in the constructor of a direct base class are ignored. ... pageshows the inheritance and definition schemes for the new class. An object of theMotorHome class contains both the members of Car and the members of Home. Morespecifically, the object contains two...

A Complete Guide to Programming in C++ part 67 pptx

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... 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■641ᮀ Discovering and Changing the Current PositionThe file stream classes comprise methods to discover and change the current position in a...

A Complete Guide to Programming in C++ part 69 ppt

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... \n"<< endl;}};class SavAcc: public Account{private:double interest; // Compound interestpublic:// Methods as in class DepAcc.};// // The definition of class AccFileclass 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 FILEScase 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...

A Complete Guide to Programming in C++ part 71 pptx

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... 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, ... DynamicallyNow 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, ...

A Complete Guide to Programming in C++ part 73 pptx

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... 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 binarynumbers. Finally, the definition of bit-fields is introduced.chapter31 SOLUTIONS■703Matrix:: 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...