uint keyword in C#

Last Updated : 22 Jun, 2020

Keywords are the words in a language that are used for some internal process or represent some predefined actions. uint is a keyword that is used to declare a variable which can store an integral type of value (unsigned integer) from the range of 0 to 4,294,967,295. It keyword is an alias of System.UInt32.

uint keyword occupies 4 bytes (32 bits) space in the memory.

Syntax:

uint variable_name = value;

Example:

Input: num: 67

Output: num2: 67
        Size of a uint variable: 4

Input: num = 24680

Output: Type of num1: System.UInt32
        num1: 24680
        Size of a uint variable: 4

Example 1:

// C# program for uint keyword
using System;
using System.Text;
  
class GFG {
  
    static void Main(string[] args)
    {
        // variable declaration
        uint num2 = 67;
  
        // to print value
        Console.WriteLine("num2: " + num2);
  
        // to print size
        Console.WriteLine("Size of a uint variable: " + sizeof(uint));
    }
}

Output:

num2: 67
Size of a uint variable: 4

Example 2:

// C# program for uint keyword
using System;
using System.Text;
  
namespace Geeks {
  
class GFG {
  
    static void Main(string[] args)
    {
        // variable declaration
        uint num1 = 24680;
  
        // to print type of variable
        Console.WriteLine("Type of num1: " + num1.GetType());
  
        // to print value
        Console.WriteLine("num1: " + num1);
  
        // to print size
        Console.WriteLine("Size of a uint variable: " + sizeof(uint));
  
        // to print minimum & maximum value of uint
        Console.WriteLine("Min value of uint: " + uint.MinValue);
        Console.WriteLine("Max value of uint: " + uint.MaxValue);
  
        // hit ENTER to exit
        Console.ReadLine();
    }
}
}

Output:

Type of num1: System.UInt32
num1: 24680
Size of a uint variable: 4
Min value of uint: 0
Max value of uint: 4294967295

Example 3:

// C# program for uint keyword
using System;
using System.Text;
  
class GFG {
  
    static void Main(string[] args)
    {
        // variable declaration
        uint num2 = 4294967297;
  
        // to print type of variable
        Console.WriteLine("Type of num2: " + num2.GetType());
  
        // to print value
        Console.WriteLine("num2: " + num2);
  
        // to print size
        Console.WriteLine("Size of a uint variable: " + sizeof(uint));
    }
}

Error: When we input wrong integer and also input number beyond the range

Constant value `4294967297′ cannot be converted to a `uint’

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