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

... } 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

... 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

... } 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