C# sbyte Keyword with Example

In this tutorial, we will learn about the sbyte Keyword in C# (with Example), what is sbyte keyword, how to use it in C#? Last updated : April 04, 2023

C# sbyte Keyword

In C#, sbyte is a keyword which is used to declare a variable that can store a signed value between the range of -128 to +127. sbyte keyword is an alias of System.SByte.

It occupies 1 byte (8 bits) in the memory.


sbyte variable_name = value;

It can store the value between the range of -128 to +127.

Example of sbyte keyword in C#

Here, we are declaring a sbyte variable num, initializing it with the value -120 and printing its value, type and size of a sbyte type variable.

using System;
using System.Text;

namespace ConsoleApplication3 {
  class Program {
    static void Main(string[] args) {
      //char variable declaration
      sbyte num = -120;

      //printing value
      Console.WriteLine("num: " + num);
      //printing type of variable
      Console.WriteLine("Type of num: " + num.GetType());
      //printing size of a decimal 
      Console.WriteLine("Size of a sbyte variable: " + sizeof(sbyte));

      //hit ENTER to exit


num: -120
Type of num: System.SByte
Size of a sbyte variable: 1

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