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C# program to define various types of constants

C# constant example: Here, we are writing a C# program – to define various type of constant and printing their values.
Submitted by IncludeHelp, on April 06, 2019

Like other programming languages, In C#, we can also defining various types of constants and printing their values.

Defining constant

A constant can be defined using const keyword, once constant is defined, it’s value can never be changed.

Syntax:

    const data_type constant_name = value;
    const float PI = 3.14f;

Example:

    Input:
    const int a = 10;   //integer constant 
    
    Console.WriteLine("a: {0}", a);

    Output:
    a: 10

C# code to define various types of constants

// C# program to define various types of constants 
using System;
using System.IO;
using System.Text;

namespace IncludeHelp
{
    class Test
    {
        // Main Method 
        static void Main(string[] args)
        {
            const int a = 10;   //integer constant 
            const float b = 20.23f; //float constant
            const double c = 10.23;  //double constant
            const char d = 'Y';     //character constant 
            const string e = "Hello";   //string constant

            //printing values
            Console.WriteLine("a: {0}", a);
            Console.WriteLine("b: {0}", b);
            Console.WriteLine("c: {0}", c);
            Console.WriteLine("d: {0}", d);
            Console.WriteLine("e: {0}", e);


            //hit ENTER to exit the program
            Console.ReadLine();
        }
    }
}

Output

a: 10
b: 20.23
c: 10.23
d: Y
e: Hello





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