C# Declare a variable

To declare a variable in C# we must specify the data type of that variable followed by variable name.

C# variable declaration syntax

type variableName = value;

See section Data Types for Examples.

C# Example of variable declaration

using System;

namespace Application
{
  class Program
  {
    static void Main(string[] args)
    {
      int intNumber = 5;
      double doubleNumber = 5.99D;
      char charLetter = 'D';
      bool booleanObject = true;
      string textExample = "Hello";
      
      
      Console.WriteLine(intNumber);
      Console.WriteLine(doubleNumber);
      Console.WriteLine(charLetter);
      Console.WriteLine(booleanObject);
      Console.WriteLine(textExample);
     }
  }
}

Output

5
5.99
D
True
Hello

Conclusion

In this page (written and validated by A. Gawali) you learned about C# Declare a variable . What's Next? If you are interested in completing CS tutorial, your next topic will be learning about: CS Type Conversion And Type Casting.

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