As in other programming languages, various types of constants are defined the same as defined in C#, we can also define various types of constants and print their values. They are fixed in values in the program. There can be any types of constants like integer, character constants, float, double, string, octal, hexadecimal, etc.
Define constant: By using const keyword a constant can be defined. Its value can never be changed once it is defined.
Syntax:
const data_type constant_name = value;
Example:
Input: const int a = 15; Output: a: 15
Example 1:
// C# program to define different types of constants using System;
using System.Text;
namespace Geeks
{ class GFG
{
// Main Method
static void Main( string [] args)
{
// integer constant
const int A = 15;
// float constant
const float B = 50.83f;
// to print above values
Console.WriteLine( "A: {0}" , A);
Console.WriteLine( "B: {0}" , B);
}
}
} |
Output:
A: 15 B: 50.83
Example 2:
// C# program to define different types of constants using System;
using System.Text;
namespace Geeks
{ class GFG
{
// Main Method
static void Main( string [] args)
{
// character constant
const char C = 'S' ;
// double constant
const double D = 70.23;
// string constant
const string E = "Geeks" ;
// to print above values
Console.WriteLine( "C: {0}" , C);
Console.WriteLine( "D: {0}" , D);
Console.WriteLine( "E: {0}" , E);
}
}
} |
Output:
C: S D: 70.23 E: Geeks
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