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C# Methods

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What are the Methods in C# ?

  • A method is a code block containing a series of statements. Methods must be declared within a class or a structure. It is a good programming practice that methods do only one specific task. In C#, every program has at least one class with a method named Main.
    • Define the method
    • Call the method
 method

Defining Methods

  • When we define a method, we essentially declare the elements of its structure. The syntax for defining a method in C# is as follows:
    • Define the method
    • Call the method

Syntax

< Access Specifier> < Return Type> < Method Name> (Parameter list)
 {
    Body
 }
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Syntax Explanation:

  • Access Specifier: access specifier determines the visibility of a variable or a method from another class.
  • Return type: A method can return a value. Here the return type is the data type of the value the method returns. If the method is not returning any values, then the return type is void.
  • Method name: Method name is a unique identifier and it is a case sensitive. Method name cannot be same as any other identifier declared in the class.
  • Parameter List: Enclosed between parentheses, the parameters are used to pass and receive data from a method. The parameter list refers to the type, order, and number of the parameters of a method.
  • Method body: method body contains the set of instructions its needed to complete the required activity.

Call the method:

  • In c#, after creating a function, we need to call Main() method to execute.
  • In order to call method, we need to create an object of containing class, then followed by dot(.) operator we can call the method.
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    learn c# tutorial - class-object-contructor-member-function-in-csharp in c# Example

  • If method is static, then there is no need to create an object and we can directly call it followed by class name.

C# Sample Code - C# Examples:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace wikitechy_Method
{
    class print
    {
        public static void wikitechy()
        {
            Console.WriteLine("www.wikitechy.com");
            Console.ReadLine();
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
           
            print.wikitechy();

        }
    }
}
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Code Explanation:

 c sharp methods list
  1. class print is specifying to class name of print.
  2. These specifies to main method call directly static method with class name "wikitechy". And public member can be called "wikitechy" from external locations.
  3. Here we print the class of "wikitechy" using the www.wikitechy.com Console WriteLine statement.
  4. class program is specifying to another class name of program.
  5. Here in this example print class call the main method directly from static method with the class "wikitechy".
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Sample C# examples - Output :

 c sharp method vs function
  1. Here in this output we display the www.wikitechy.com which specifies to console statement.


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