Answer / srinivas

1. function overloading,

2. Runtime polymorphism --Using Interface reference,

EX:
interface name I ,abstract Method();
implimenting classes A,B

ref I;
objA= new A();
objB= new B();

runtime
objA=I

objA.Method();

objB=I;
objB.Method();

Answer / anand gopal makwa munger

1.Function overloading.
2.Operator overloading.
You can achieve by checking the Dependency Like Below.

1.Function overloading Doesn't depends on Return type it must be same.
2.Name must be same.
3.It depends on Number of parameter. Parameter must be different.
4.it depends on different datatype of parameter.
5.It depends on order of parameter.
6.it does't depends on parameter name.

Answer / raghumadhav tirunagari

Function overloading. Operator overloading.

Answer / roopesh m.k

polimorphism is the one of the oops features, allows one
object to appear in different form by changing the type.

Two types:
1- Static eg:method overloading
2- Dynamic eg:method overriding

Answer / radhakrishna

Static Polymerphism/Compiletime Polymerphism--> Function/Operator Overloading
Dynamic/Run time Polymirphism--> Function overriding

Answer / deep

Polymorphism is also achieved through interfaces. Like abstract classes, interfaces also describe the methods that a class needs to implement. The difference between abstract classes and interfaces is that abstract classes always act as a base class of the related classes in the class hierarchy. For example, consider a hierarchy-car and truck classes derived from four-wheeler class; the classes two-wheeler and four-wheeler derived from an abstract class vehicle. So, the class 'vehicle' is the base class in the class hierarchy. On the other hand dissimilar classes can implement one interface. For example, there is an interface that compares two objects. This interface can be implemented by the classes like box, person and string, which are unrelated to each other.

C# allows multiple interface inheritance. It means that a class can implement more than one interface. The methods declared in an interface are implicitly abstract. If a class implements an interface, it becomes mandatory for the class to override all the methods declared in the interface, otherwise the derived class would become abstract.

You need to retrieve data from a Microsoft SQL Server 2000. Currently you are using an oleDbConnection object to connect to the database server. You need to be able to retrieve the data from the database server in XML format. Which approach would be the most efficient? Select all that apply. Each answer constitutes part of the whole answer. a) Change to the SQL .NET provider. b) Use the ExecuteXmlReader() method of the xxxCommand object c) Use the DOM to create the XML document. d) Use the XmlDocument.Load() method to create the XML Document.

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