objectoriented programming in c net part 1 codeproject

... Declaration of cin, cout #include <iomanip> // For manipulators being called // with arguments. #include <string> using namespace std; int main() { int number = ' '; cout ... hexadecimal output. #include <iostream> // Declarations of cin, cout and using namespace std; // manipulators oct, hex, int main() { int number; cout << "Please enter an integer: ... n); int precision() const; Manipulator Effects Generates a decimal point character shown in floating-point output. The number of digits after the decimal point corresponds to the used precision.

Ngày tải lên: 06/07/2014, 17:21

... // Inputs an article label and a price #include <iostream> // Declarations of cin, cout, #include <iomanip> // Manipulator setw() #include <string> using namespace std; int ... main() { string label; double price; cout << "\nPlease enter an article label: "; // Input the label (15 characters maximum): cin >> setw (16 ); // or: cin.width (16 ); cin ... write single characters. The get() method reads the next character from a stream and stores it in the given char variable. Example: char ch; cin.get(ch); If the character is a white space character,

Ngày tải lên: 06/07/2014, 17:21

... a decimal character code: "; cin >> code; c = code; // Save for output cout << "\nThe corresponding character: " << c << endl; code = c; // Character code. ... Corrections are commented. // #include <iostream> #include <iomanip> // Manipulator setw() #include <string> // Class string using namespace std; int main() { string word; // To ... return 0; } Exercise 4 #include <iostream> #include <iomanip> // Manipulator setw() using namespace std; int main() { unsigned char c = 0; unsigned int code = 0; cout << "\nPlease

Ngày tải lên: 06/07/2014, 17:21

... Euro1.cpp #include <iostream> #include <iomanip> using namespace std; int main() { double rate = 1. 15; // Exchange rate: // one Euro to one Dollar cout << fixed << setprecision(2); ... ", c = " << c << endl; return 0; } ■ EXERCISES Program listing for exercise 4 EXERCISES ■ 93 Exercise 1 What values do the following arithmetic expressions have? a. 3 /10 b. 11 %4 ... selections with if-else, switch, and the conditional operator ■ jumps with goto, continue, and break. chapter 6 96 ■ CHAPTER 6 CONTROL FLOW // average.cpp // Computing the average of numbers #include

Ngày tải lên: 06/07/2014, 17:21

... ᮀ Initializing and Reinitializing A typical loop uses a counter that is initialized, tested by the controlling expression and reinitialized at the end of the loop. Example: int count = 1; // Initialization ... 10 2 ■ CHAPTER 6 CONTROL FLOW As long as the expression is true statement // tone.cpp #include <iostream> using namespace std; const long delay = 10 000000L; int main() { int tic; cout << ... license!" << endl; return 0; } ■ Else-if CHAINS Structogram for an else-if chain Sample program ELSE-IF CHAINS ■ 10 7 ᮀ Layout and Program Flow You can use an else-if chain to selectively

Ngày tải lên: 06/07/2014, 17:21

... character handling are introduced. chapter 7 12 0 ■ CHAPTER 7 SYMBOLIC CONSTANTS AND MACROS // sintab.cpp // Creates a sine function table #include <iostream> #include <iomanip> #include ... that converts to capitals. // #include <iostream> #include <cctype> using namespace std; int main() { char c; long nChar = 0, // Counts all characters nConv = 0; // and converted characters ... Macros for character classification isalpha (c) islower (c) isupper (c) isdigit (c) isalnum (c) isspace (c) isprint (c) c is a letter c is a small letter c is a capital letter c is a decimal digit c

Ngày tải lên: 06/07/2014, 17:21

... MACROS FOR CHARACTER MANIPULATION ■ 12 9 The following section introduces macros that classify or convert single characters. The macros are defined in the header files ctype.h and cctype. ᮀ Case ... lines. #include <iostream> #include <iomanip> #include <string> using namespace std; int main() { string line; int number = 0; while( getline( cin, line)) // As long as a line ... // Character and predecessor long nCtrl = 0, nChar = 0; // Number of the following // control characters or // other characters while( cin.get (c) ) { if( isCtrl (c) ) // Control characters { ++nCtrl;

Ngày tải lên: 06/07/2014, 17:21

... negative) Sign bit(= 1 ↔ negative) 11 110 110 Extension to int (here 16 bit) The value ? ?10 is preserved. 11 111 111 111 1 011 0 2 6 2 14 2 13 2 8 2 7 2 1 2 0 2 5 2 4 2 3 2 2 2 1 2 0 ••• ••••• Binary representaion ... explicit type conversion is introduced. chapter 8 14 0 ■ CHAPTER 8 CONVERTING ARITHMETIC TYPES ■ IMPLICIT TYPE CONVERSIONS Integer promotions bool short char, signed char, unsigned char int int ... exercises 14 8 ■ CHAPTER 8 CONVERTING ARITHMETIC TYPES // Convert.cpp —> Demonstrates type conversions. #include <iostream> #include <iomanip> using namespace std; int main() { char

Ngày tải lên: 06/07/2014, 17:21

... -1. 99 (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 ... strings. Besides defining strings we will also look at the various methods of string manipulation.These include inserting and erasing, searching and replacing, comparing, and concatenating strings. ... program Objects of class string do not necessarily contain the string terminating character '\0', as is the case with C strings. ✓ NOTE DEFINING AND ASSIGNING STRINGS ■ 15 5 C+ + uses the

Ngày tải lên: 06/07/2014, 17:21

... nSpace << endl; return 0; } ■ ACCESSING CHARACTERS IN STRINGS Sample program ACCESSING CHARACTERS IN STRINGS ■ 16 5 When manipulating strings it is often important to access the individual characters ... characters. // (A word is the maximum sequence of characters // containing no white space characters.) // #include <iostream> #include <string> #include <cctype> // Macro isspace() ... lexicographically, that is character by character, beginning at the first character. To decide whether a single character is smaller, greater, or identical to another character, the character codes

Ngày tải lên: 06/07/2014, 17:21

... ■ definition of inline functions ■ overloading functions and default arguments ■ the principle of recursion. chapter 10 17 2 ■ CHAPTER 10 FUNCTIONS C+ + program Core elements of C+ + (built -in types, ... whereas compiling a function definition will produce machine code. 17 6 ■ CHAPTER 10 FUNCTIONS // area.cpp // Example for a simple function returning a value. // #include <iostream> #include ... The following section describes how to program global functions. Chapter 13 , Defining Classes, describes the steps for defining member functions. ᮀ Definition Functions can be defined in any order,

Ngày tải lên: 06/07/2014, 17:21

... the callback routine is called and you can accept the connection by calling EndAccept The EndAccept returns a socket object which represents the incoming connection Here is the code for the callback ... (4); // create the call back for any client connections m_socListener.BeginAccept(new AsyncCallback ( OnClientConnect ),null); cmdListen.Enabled = false; } catch(SocketException se) { MessageBox.Show ... we can pass a class object that contains as much information as we want For example we can declare a class as follows: public class CSocketPacket { public System .Net. Sockets.Socket thisSocket;...

Ngày tải lên: 18/01/2014, 08:20

... cm ISBN: 0-7637 -18 17-3 C+ + (Computer program language) I Kirch-Prinz, Ulla II Title QA76.73 .C1 53 P73 713 20 01 005 .13 '3—dc 21 2090 20 010 29 617 Chief Executive Officer: Clayton Jones Chief Operating ... of string manipulation These include inserting and erasing, searching and replacing, comparing, and concatenating strings Chapter 10 describes how to write functions of your own The basic rules ... polymorphic classes In addition to defining virtual functions, dynamic downcasting in polymorphic class hierarchies is introduced Chapter 26 describes how defining pure virtual methods can create...

Ngày tải lên: 06/07/2014, 17:21

... name of class MyClass is : a) Space1.MyClass() c) b) 14 0 d) Space2.MyClass() Hierarchical namespaces [1. 5] Interface All the mentioned options [1. 5] Space1.Space2.MyCl ass() Space2.Space1.MyCla ss() ... void Count(){ Console.WriteLine( "10 0"); } }; public class Child:Parent { public override void Count(){ 10 Console.WriteLine( "10 00"); 11 } 12 public static void Main(){ 13 Parent p=new Child(); 14 ... static void Main(){ try{ int p =10 ; Console.WriteLine(“enter a number”); int r=Int32.Parse(Console.ReadLine()); p/=r; } 10 catch(Exception e){ 11 Console.WriteLine(e); 12 Console.WriteLine(Console.Error);...

Ngày tải lên: 21/07/2014, 21:20

... System; class MyClass { int Var1 =1; int Var2; public static void Main(){ int LocalVar=3; MyClass m1=new MyClass(); Console.WriteLine(m1.Var1+m1.Var2+LocalVar); } } The output of above code will ... 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 =10 0*Static [1] ; Console.WriteLine(@Main); ... [2.5] { int num1 =1; int num2; public static void Main(){ int num3=3; Console.WriteLine(num1+num2+num3r); } } a) c) The code does not compile because static method cannot access nonstatic variables...

Ngày tải lên: 20/10/2014, 21:25

... 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 =10 0*Static [1] ; Console.WriteLine(@Main); ... [0.5] [1. 0] [1. 0] [1. 0] [1. 0] [0.5] [0.5] [1. 0] [1. 0] [1. 0] [1. 0] [1. 5] 41 42 43 44 45 46 d) Class b) Object Which of the following are value types? a) Interface c) Struct b) String d) Union Which ... 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...

Ngày tải lên: 21/08/2012, 15:55

... name of class MyClass is : a) Space1.MyClass() c) b) 14 0 d) Space2.MyClass() Hierarchical namespaces [1. 5] Interface All the mentioned options [1. 5] Space1.Space2.MyCl ass() Space2.Space1.MyCla ss() ... void Count(){ Console.WriteLine( "10 0"); } }; public class Child:Parent { public override void Count(){ 10 Console.WriteLine( "10 00"); 11 } 12 public static void Main(){ 13 Parent p=new Child(); 14 ... static void Main(){ try{ int p =10 ; Console.WriteLine(“enter a number”); int r=Int32.Parse(Console.ReadLine()); p/=r; } 10 catch(Exception e){ 11 Console.WriteLine(e); 12 Console.WriteLine(Console.Error);...

Ngày tải lên: 29/08/2012, 16:37

... class MyClass is : a) Space1.MyClass() c) Space1.Space2.MyClass() b) Space2.MyClass() [1. 5] d) Space2.Space1.MyClass() 14 1 namespace College.Library{ namespace Shelf{ class Book{ } } } [1. 5] The ... 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 10 5 Which ... set d) find 10 0 public class A:B ,C, D{ } The above code represents [0.5] a) multilevel interface c) multiple interface b) hierarchical interface d) multiple inheritance 10 1 interface intA: one,...

Ngày tải lên: 09/04/2013, 09:10

... 10 7 ■Chapter 4: Coordinating Tasks 10 9 Doing More with Tasks 11 0 Using Task Continuations 11 0 Creating Simple Continuations 11 1 Creating One-to-Many ... One-to-Many Continuations 11 3 Creating Selective Continuations 11 5 Creating Many-to-One and Any-To-One Continuations 11 7 Canceling Continuations 12 0 ... Listing 2-7 demonstrates creating a cancellable task and polling to check for cancellation 17 CHAPTER ■ TASK PROGRAMMING Listing 2-7 Cancelling a Task using System; using System.Threading; using...

Ngày tải lên: 05/03/2014, 21:20