c sharp for programmers course suite

... Abstract Base Class Employee 342 12.5.2 Creating Concrete Derived Class SalariedEmployee 345 12.5.3 Creating Concrete Derived Class HourlyEmployee 346 12.5.4 Creating Concrete Derived Class CommissionEmployee ... existing classes. Chapter 12 presents the crucial concepts of polymorphism, abstract classes, concrete classes and interfaces, all of which fa- cilitate powerful manipulations among objects in ... JSON WCF Web Service 966 28.9 Blackjack Web Service: Using Session Tracking in a SOAP-Based WCF Web Service 968 28.9.1 Creating a Blackjack Web Service 968 28.9.2 Consuming the Blackjack Web...

Ngày tải lên: 24/01/2014, 18:38

... below, one for C (Compilers .C) and another for C# (Compilers.Csharp), can own (and access) different classes with the same name. Therefore, Lexer and Parser for the C compiler are accessed without ... are associated with the namespaces Compilers .C and Compilers.Csharp, respectively: namespace Compilers .C { class Lexer { } class Parser { } } namespace Compilers.Csharp { class Lexer { } class ... System.Collections; // To access ArrayList class. 2 3 namespace Co { 4 namespace System { 5 namespace Collections { 6 public class OurList { /* */ } 7 // 8} 9} 10 namespace Project { 11 public class...

Ngày tải lên: 20/08/2012, 11:57

... 6 2 Classes, Objects, and Namespaces 9 2.1 Classes and Objects 10 2.1.1 Declaring Classes 10 2.1.2 Creating Objects 11 2.2 Access Modifiers 12 2.2.1 Controlling Access to Classes 12 2.2.2 Controlling ... and encouragement. Michel de Champlain mdec@DeepObjectKnowledge.com Brian G. Patrick bpatrick@trentu.ca 2 Chapter 1: Introducing C# and .NET ■ In addition to being syntactically familiar, C# is ... implemented, compiled, and executed as a collection of compilation units. 9 10 Chapter 2: Classes, Objects, and Namespaces ■ 2.1 Classes and Objects A class is an abstraction that represents the common...

Ngày tải lên: 05/08/2014, 10:20

... below, one for C (Compilers .C) and another for C# (Compilers.Csharp), can own (and access) different classes with the same name. Therefore, Lexer and Parser for the C compiler are accessed without ... are associated with the namespaces Compilers .C and Compilers.Csharp, respectively: namespace Compilers .C { class Lexer { } class Parser { } } namespace Compilers.Csharp { class Lexer { } class ... System.Collections; // To access ArrayList class. 2 3 namespace Co { 4 namespace System { 5 namespace Collections { 6 public class OurList { /* */ } 7 // 8} 9} 10 namespace Project { 11 public class...

Ngày tải lên: 05/08/2014, 10:20

... } static void IncR(ref Counter c) { c = new Counter(); c. Inc(); Console.Write("cR = {0} ", c. GetCount()); } static void IncV(Counter c) { c = new Counter(); c. Inc(); Console.Write("cV ... on Constructor/Destructor Chaining Objects are built from the top down. A constructor of a derived class calls a constructor of its base class, which in turn calls a constructor of its superclass, ... several BoundedCounter constructors can be implemented by reusing the Counter class constructors. Each of the two BoundedCounter constructors explicitly creates an instance of Counter by calling the...

Ngày tải lên: 05/08/2014, 10:20

... Object Root Class 67 return value and reference objects: class Stack { public object pop() { } public void push(object o) { } } 4.6 The Object Root Class Before tackling the object root class, ... int capacity) ■ 4.6 The Object Root Class 69 protected object MemberwiseClone(); // Static Methods public static bool Equals(Object a, Object b); public static bool ReferenceEquals(Object a, ... Implicit upcast. 8 o = (object)s; // Explicit upcast (not necessary). 9 s = (string)o; // Explicit downcast (necessary). 10 d = (double)o; // Explicit downcast (syntactically correct) but 64 Chapter...

Ngày tải lên: 05/08/2014, 10:20

... within a method are to be checked/unchecked for overflow, then the checked or unchecked operator can be applied to a block of statements as shown here: public sbyte I() { unchecked { // Other statements ... 100 Chapter 5: Operators, Assignments, and Expressions ■ it is equivalent to explicitly turning off all overflow checking: csc /checked- TestChecked.cs Running this program will (incorrectly) ... ")" . CheckedStmt = "checked" "{" statement+ "}" . UncheckedExpr = "unchecked" "(" expression ")" . UncheckedStmt = "unchecked"...

Ngày tải lên: 05/08/2014, 10:20

... FinallyClause )? . CatchClauses = ( SpecificCatchClauses GeneralCatchClause? ) | ( SpecificCatchClauses? GeneralCatchClause ) . SpecificCatchClause = "catch" "(" ExceptionType Identifier? ... Furthermore, only one catch block is executed for each exception that is raised. try { } catch (SpecificException e) { // From specific. // Handle a specific exception // } catch (GenericException e) ... abstract class called Counter as defined here. 1 using System; 2 3 namespace SubclassConstructors { 4 abstract class Counter { 5 public Counter(int c) { count = c; } 6 public abstract void Tick(); 7 8...

Ngày tải lên: 05/08/2014, 10:20

... . AccessorDecls = ( GetAccessorDecl SetAccessorDecl? ) | ( SetAccessorDecl GetAccessorDecl? ) . GetAccessorDecl = Attributes? AccessorModifier? "get" AccessorBody . SetAccessorDecl ... the interface ICounter, like all interfaces, does not specify an access modifier for its members. They are always implicitly public. Therefore, the property Count in ICounter has public access. 7.5.3 Declaring ... the abstract class ACountable: abstract class ACountable { public abstract bool Tick(); } The ICountable interface prescribes common behavior for all subclasses that inherit from it. Once implemented...

Ngày tải lên: 05/08/2014, 10:20

... // Constructor with a specific initial capacity. Stack() // Default constructor with initial capacity 10. Stack(ICollection) // Copy constructor from a specific collection. Stack(int) // Constructor ... Constructor with a specific initial capacity. Queue() // Default constructor with initial capacity 32. Queue(ICollection) // Copy constructor from a specific collection. Queue(int) // Constructor ... item at a specified index, respectively. Constructors Like all classes, instances of collections are created using constructors. Concrete collec- tions have several constructors that typically fall...

Ngày tải lên: 05/08/2014, 10:20

... lock and enter a critical section associated with the lock. Until the critical section is exited and the lock is released, no other thread may access the critical section of the object or class. ... static void Exit(object); public static void Pulse(object); public static void PulseAll(object); public static bool TryEnter(object); public static bool TryEnter(object, int); public static bool ... lock statement is shown here. In this example, a lock is associated with an object called obj. lock ( obj ) { // Acquire (an object) lock and enter critical section. // Execute critical section. }...

Ngày tải lên: 05/08/2014, 10:20

... CatchClauses | FinallyClause )? | ( CatchClauses FinallyClause )? . CatchClauses = ( SpecificCatchClauses GeneralCatchClause? ) | ( SpecificCatchClauses? GeneralCatchClause ) . SpecificCatchClauses ... = ConstantDecl | FieldDecl | MethodDecl | PropertyDecl | EventDecl | IndexerDecl | OperatorDecl | ConstructorDecl | DestructorDecl | StaticConstructorDecl | TypeDecl | GenericMethodDecl . ConstantDecl ... . SpecificCatchClauses = SpecificCatchClause+ . SpecificCatchClause = "catch" "(" ClassType Identifier? ")" Block . GeneralCatchClause = "catch" Block . FinallyClause = "finally"...

Ngày tải lên: 05/08/2014, 10:20

... } static void IncR(ref Counter c) { c = new Counter(); c. Inc(); Console.Write("cR = {0} ", c. GetCount()); } static void IncV(Counter c) { c = new Counter(); c. Inc(); Console.Write("cV ... several BoundedCounter constructors can be implemented by reusing the Counter class constructors. Each of the two BoundedCounter constructors explicitly creates an instance of Counter by calling the ... SetCount(0); } public Counter(int count) { SetCount(count); } public int GetCount() { return count; } public void SetCount(int count) { this.count = count; } private int count; } The class Counter...

Ngày tải lên: 12/08/2014, 09:22

... System.Collections; namespace T { public class TestBasicCollections { public static void Print(string name, ICollection c) { Console.Write("[{0,2} items] {1,2}: ", c. Count, name); foreach ... q); } } } 176 Chapter 8: Collections and Generics ■ Constructors Many constructors are available for dictionary-like collections, especially for Hashtables. Unless otherwise specified by a given comparer, ... workspace for protection. Because of these protections, using processes for client/server applications gave rise to two perfor- mance issues. First, the context switch to reschedule a process (save...

Ngày tải lên: 12/08/2014, 09:22

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21

Ngày tải lên: 13/08/2014, 08:21