Home » .Net » C# Programs

C# - String with Switch Case Statement

C# string with switch case: Here, we are going to learn how to use string with the switch case statement in C#?
Submitted by IncludeHelp, on March 17, 2019 [Last updated : March 18, 2023]

C# string with switch case statement

In C# programming language – we can use a string with the switch case statement, switch case statement is a type of selection control mechanism, which is used to execute a block from multiple blocks. Switch case multiple blocks and a variable/value, when value matches with the case, the body of the case associated with that case is executed.

Note: break must be used with all switch case blocks including default.

C# program to use string with switch case statement

using System;
using System.Text;

namespace Test {
  class Program {
    static void Main(string[] args) {
      string gender = "Male";

      switch (gender) {
      case "Male":
        Console.WriteLine("He is male...");
        break;
      case "Female":
        Console.WriteLine("She is female...");
        break;
      default:
        Console.WriteLine("Default");
        break;
      }

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

Output

He is male...

Example 2: C# string with switch case statement

Here, we will input a text from the console and check whether input text starts with either "This" or "That".

using System;
using System.Text;

namespace Test {
  class Program {
    static void Main(string[] args) {
      string text = "";

      Console.Write("Enter some text: ");
      text = Console.ReadLine();

      switch (text.Substring(0, 4)) {
      case "This":
        Console.WriteLine("text started with \"This\"");
        break;
      case "That":
        Console.WriteLine("text started with \"That\"");
        break;
      default:
        Console.WriteLine("Invalid text...");
        break;
      }

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

Output

First run:
Enter some text: This is a game.
text started with "This"

Second run:
Enter some text: That is a book.
text started with "That"

Third run:
Enter some text: These are cows.
Invalid text...

C# Basic Programs »