objectoriented programming in c net part

... erasing, searching, and replacing are available 䊐 Initializing Strings A string, that is, an object belonging to the string class, can be initialized when you define it using ■ a predefined string ... methods of string manipulation.These include inserting and erasing, searching and replacing, comparing, and concatenating strings. Trang 6154 C H A P T E R 9 T H E S T A N D A R D C L A S S S T ... (int)v_float: -1 Exercise 4 // -// sinCurve.cpp // Outputs a sine curve // -#include <iostream> #include <cmath> // Prototypes of sin() using namespace std; #define CLS (cout

Ngày tải lên: 06/07/2014, 17:21

... string4.cpp // The program counts words and white space characters. // (A word is the maximum sequence of characters // containing no white space characters.) // -#include <iostream> #include ... checks You can also use the at()method to access a single character In contrast to the subscript operator, the at()method performs range checking If an invalid index is found an exception occurs ... on a string containing // the present time #include <iostream> #include <string> #include <ctime> // For time(), ctime(), using namespace std; int main() { long sec; time(

Ngày tải lên: 06/07/2014, 17:21

... of inheritance to create specialized classes without needing to change any existing classes When implementing a class you must define the capacities of those objects, that is, the member functions, ... global functions Chapter 13, Defining Classes, describes the steps for defining member functions 䊐 Definition Functions can be defined in any order, however, the first function is normally main This ... 169Exercise 2 // -// palindrome.cpp: Reads and compares lines of text // -#include <iostream> #include <string> using namespace std; string header = " * * * Testing palindromes

Ngày tải lên: 06/07/2014, 17:21

... nd Call func(); void func() func(); { } // 1st Call // 2nd Call func(); inline void func() func(); { } Copy The executable file only contains one instance of the function’s machine code ✓ HINT ... The machine code of the function is stored in the executable file wherever the function is called ✓ HINT ■ INLINE FUNCTIONS Call to a function not defined as inline Call to an inline function ... inline functions should contain no more than one or two instructions If an inline function contains too many instructions, the compiler may ignore the inlinekeyword and issue a warning Aninlinefunction

Ngày tải lên: 06/07/2014, 17:21

... scopeblock scope program scope Function Module 1 Module 2 file scope block scope Function block scope Function ■ STORAGE CLASSES OF OBJECTS 䊐 Availability of Objects C++ program 䊐 Storage Class Specifiers ... "And once more with characters!"<< endl; cout << "Enter two characters:" << endl; char c1, c2; if( cin >> c1 && cin >> c2) { cout << ... overloading no clear conversion will be possible #include <iostream> #include <string> using namespace std; inline double Max(double x, double y) { return (x < y ? y : x); } inline char

Ngày tải lên: 06/07/2014, 17:21

... namespace std; void cutline( void ); // Prototype string line; // Global string int main() { while( getline(cin, line)) // As long as a line { // can be read cutline(); // Shorten the line cout ... line << endl; // Output the line } return 0; } // Cutline2.cpp // Containing the function cutline(), which removes // tabulator characters at the end of the string line // The string line ... string is // reached or when a character that cannot be converted is // reached // -#include <string> // Type string #include <cctype> // isspace() and isdigit() using namespace

Ngày tải lên: 06/07/2014, 17:21

... usingdirectives can occur at any part of the program Ausingdeclaration makes an identifier from a namespace visible in the current scope Example: using myLib::calculate; // Declaration You can ... namespace is also imported If identical identifiers occur in the current namespace and an imported namespace, theusingdirective does not automatically result in a conflict However, referencing an ... E C L A S S E S A N D N A M E S P A C E S // scope.cpp // Accessing objects with equal names // -#include <iostream> #include <iomanip> using namespace std; int var = 0; namespace

Ngày tải lên: 06/07/2014, 17:21

... d) interact with the operating system Which of the following is a correct statement to declare the class “MyClass”? a) Class myclass c) class MyClass b) class Myclass d) Class MyClass Which of ... class Object{ static void main(){} public static Main(){} } } e) class Object{ b) class Object{ static void Main(){}; static void Main(){} } } c) Class Object{ static void Main(){} } Which of the ... program cannot compile because the for statement’s syntax is incorrect using System; class Test { static void Main() { int @Main; int[] Static= new int[3]; @Main =100*Static[1]; Console.WriteLine(@Main);...

Ngày tải lên: 21/08/2012, 15:55

... void main(){} } d) class Object{ public static Main(){} } b) class Object{ static void Main(){} } [1.5] e) class Object{ static void Main(){}; } c) Class Object{ static void Main(){} } 43 Which of ... Which of the following are correct statements for implementing an abstract class a) public abstract void class ClassA [1.0] c) abstract public ClassA b) public abstract class ClassA 105 Which ... a class b) Static constructors may or may e) A static constructor for a not take parameters class is called automatically when the object is accessed c) A static constructor can have public as...

Ngày tải lên: 09/04/2013, 09:10

... m_socListener.Bind( ipLocal ); //start listening m_socListener.Listen (4); // create the call back for any client connections m_socListener.BeginAccept(new AsyncCallback ( OnClientConnect ),null); cmdListen.Enabled ... EndAccept The EndAccept returns a socket object which represents the incoming connection Here is the code for the callback delegate: public void OnClientConnect(IAsyncResult asyn) { try { m_socWorker ... callback BeginAccept is a non-blocking method that returns immediately and when a client has made requested a connection, the callback routine is called and you can accept the connection by calling...

Ngày tải lên: 18/01/2014, 08:20