Define what is meant by method overloading?

1 Answer

Answer :

Method overloading permits multiple methods in the same class to have the same name as long as they have unique signatures. When compiling an invocation of an overloaded method, the compiler uses overload resolution to determine the specific method to invoke.

Related questions

Description : What is method overloading, and when is it useful?

Last Answer : Method overloading allows you to create several methods with the same name but different signatures. Overloading is useful when you want to provide the same or similar functionality to different sets of parameters.

Description : How is method overriding different from method overloading? 

Last Answer : When overriding a method, you change the behavior of the method for the derived class. Overloading a method simply involves having another method with the same name within the class.

Description : How is method overriding different from method overloading? 

Last Answer : When overriding a method, you change the behavior of the method for the derived class. Overloading a method simply involves having another method with the same name within the class.

Description : How’s method overriding different from overloading?

Last Answer : When overriding, you change the method behavior for a derived class. Overloading simply involves having a method with the same name within the class.

Description : Define what is meant by data encapsulation?

Last Answer : Data encapsulation also referred to as data hiding, is the mechanism whereby the implementation details of a class are kept hidden from the user. The user can only perform a restricted set of operations on the hidden members of the class by executing special functions called methods.

Description : Define what is meant by operators in c#?

Last Answer : An operator is a member that defines the meaning of applying a particular expression operator to instances of a class. Three kinds of operators can be defined: unary operators, binary operators, and conversion operators. All operators must be declared as public and static.

Description : Define what is the Static Method?

Last Answer : It is possible to declare a method as Static provided that they don’t attempt to access any instance data or other instance methods.

Description : Define what is the difference between an abstract method & virtual method?

Last Answer : An Abstract method does not provide an implementation and forces overriding to the deriving class (unless the deriving class also an abstract class), whereas the virtual method has an ... abstract method does not provide implementation & forces the derived class to override the method.

Description : Define what are the different ways a method can be overloaded?

Last Answer : Different parameter data types, different number of parameters, different order of parameters.

Description : What is meant by a SQL injection attack? How can you prevent them from occurring in your application? 

Last Answer : SQL injection attacks occur when a malicious user attempts to execute SQL code by passing a SQL string to the application through user input. You can guard against SQL injection attacks by validating the format of all strings derived from user input that are used to form ad hoc SQL statements.

Description : Describe what is meant by field-level validation and form-level validation.

Last Answer : Field-level validation is the process of validating each individual field as it is entered into a form. Form-level validation describes the process of validating all of the data on a form before submitting the form.

Description : Briefly explain what is meant by a reference type and a value type.

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Description : Explain how to use the Begin and End methods on a Web Service to make an asynchronous method call.

Last Answer : Every public Web method on a Web Service can be called either synchronously or asynchronously. To make an asynchronous call to a Web method, you call the method named Begin, where is the name of ... returned by Begin. This will allow you to retrieve the actual data returned by the Web method.

Description : What does the Dispose method do with the connection object? 

Last Answer : Deletes it from the memory. To Do: answer better. The current answer is not entirely correct.

Description : What does assert() method do?

Last Answer : In debug compilation, assert takes in a Boolean condition as a parameter, and shows the error dialog if the condition is false. The program proceeds without any interruption if the condition is true. 

Description : What are the different ways a method can be overloaded?

Last Answer : Different parameter data types, different number of parameters, different order of parameters.

Description : Can you declare an override method to be static if the original method is not static? 

Last Answer : No. The signature of the virtual method must remain the same. (Note: Only the keyword virtual is changed to keyword override)

Description : What does the keyword “virtual” declare for a method or property? 

Last Answer : The method or property can be overridden. 

Description : What’s the implicit name of the parameter that gets passed into the set method/property of a class?

Last Answer : Value. The data type of the value parameter is defined by whatever data type the property is declared as.

Description : What happens if you inherit multiple interfaces and they have conflicting method names?

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Description : Can you allow a class to be inherited, but prevent the method from being over-ridden?

Last Answer : Yes. Just leave the class public and make the method sealed. 

Description : Are value types are slower to pass as method parameters? 

Last Answer : Yes

Description : What is an overloaded method?

Last Answer : An overloaded method has multiple signatures that are different. 

Description : Write code to show how a method can accept a varying number of parameters.

Last Answer : using System; namespace Console1 { class Class1 { static void Main(string[] args) { ParamsMethod(1,"example"); ParamsMethod(1,2,3,4); Console.ReadLine(); } static void ... o in list) { Console.WriteLine(o.ToString()); } } } }

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Last Answer : void 

Description : What does the Dispose method do with the connection object? 

Last Answer : Deletes it from the memory. To Do: answer better. The current answer is not entirely correct.

Description : What does assert() method do? 

Last Answer : In debug compilation, assert takes in a Boolean condition as a parameter, and shows the error dialog if the condition is false. The program proceeds without any interruption if the condition is true. 

Description : What are the different ways a method can be overloaded?

Last Answer : Different parameter data types, different number of parameters, different order of parameters.

Description : Can you declare an override method to be static if the original method is not static? 

Last Answer : No. The signature of the virtual method must remain the same. (Note: Only the keyword virtual is changed to keyword override)

Description : What does the keyword “virtual” declare for a method or property? 

Last Answer : The method or property can be overridden.

Description : What’s the implicit name of the parameter that gets passed into the set method/property of a class?

Last Answer : Value. The data type of the value parameter is defined by whatever data type the property is declared as.

Description : What happens if you inherit multiple interfaces and they have conflicting method names?

Last Answer : It’s up to you to implement the method inside your own class, so implementation is left entirely up to you. This might cause a problem on a higher-level scale if similarly named methods from different interfaces expect different data, but as far as compiler cares you’re okay.  To Do: Investigate 

Description : Can you allow a class to be inherited, but prevent the method from being over-ridden?

Last Answer : Yes. Just leave the class public and make the method sealed. 

Description : How can you overload a method?

Last Answer : Different parameter data types, different number of parameters, different order of parameters.

Description : Can you allow class to be inherited, but prevent the method from being overridden? 

Last Answer : Yes, just leave the class public and make the method sealed. 

Description : Can you declare the override method static while the original method is nonstatic?

Last Answer : No, you can’t, the signature of the virtual method must remain the same, only the keyword virtual is changed to keyword override. 

Description : What does the keyword virtual mean in the method definition? 

Last Answer : The method can be over-ridden. 

Description : What’s the implicit name of the parameter that gets passed into the class’ set method?

Last Answer : Value, and it’s datatype depends on whatever variable we’re changing. 

Description : Can we declare a method as sealed?

Last Answer : In C# a method can’t be declared as sealed. However, when we override a method in a derived class, we can declare the overridden method as sealed. By declaring it as sealed, we can avoid further overriding of this method.

Description : Which method will you call to start a thread?

Last Answer : Start

Description : How can we suppress a finalize method?

Last Answer : GC.SuppressFinalize()

Description : Can “this” be used within a static method?

Last Answer : No ‘This’ cannot be used in a static method. As only static variables/methods can be used in a static method.

Description : Can we override the private virtual method in C#?

Last Answer : No. We can’t override private virtual methods as it is not accessible outside the class.

Description : Can we use “this” inside a static method in C#?

Last Answer : No. We can’t use “this” in a static method.

Description : What is purpose of Assembly Linker or define SDK Tool in .NET Framework?

Last Answer : Answer: In .NET whole the working should be with the helps of DLLs.So all of Visual Studio .Net compilers gernate assemblies or u can say dll.If we want to create an assembly with ... Studio .Net .This multi file can contain modules that are written in diffrenet langauage in one application.

Description : What does the Initial Catalog parameter define in the connection string?

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Description : Write code to define and use your own custom attribute.

Last Answer : (From MSDN) // cs_attributes_retr.cs using System; [AttributeUsage(AttributeTargets.Class|AttributeTargets.Struct, AllowMultiple=true)] public class Author : Attribute { public Author(string name) { this.name ... double version; string name; public string GetName() { return name; } }

Description : What does the Initial Catalog parameter define in the connection string?

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Description : Define what are the difference between const and readonly?

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