C# program to change the case of entered character

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mahmoud2506

2022-05-09

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Program:

The source code to change the case of entered character is given below. The given program is compiled and executed successfully on Microsoft Visual Studio.

//C# program to change the case of entered character.

using System;

class CaseDemo
{
    static void Main(string[] args)
    {
        char ch;
        
        Console.Write("Enter a character : ");
        ch = Convert.ToChar(Console.ReadLine());
        
        if (ch >= 65 && ch <= 90)
        {
            Console.WriteLine("Convert Character '"+ch+"' into : '"+char.ToLower(ch)+"'");
        }
        else if (ch >= 97 && ch <= 122)
        {
            Console.WriteLine("Convert Character '" + ch + "' into : '" + char.ToUpper(ch) + "'");
        }
    }
}

Output:

Enter a character : k
Convert Character 'k' into : 'K'
Press any key to continue . . .

Explanation:

In the above program, we created a class CaseDemo that contains the Main() method. In the Main() method, we read a character from the keyboard.

if (ch >= 65 && ch <= 90)
{
    Console.WriteLine("Convert Character '"+ch+"' into : '"+char.ToLower(ch)+"'");
}

In the above code, we checked entered character is an uppercase character or not. Because the ASCII value of 'A' is 65 and the ASCII value of 'Z' is 90. Then here we converted the entered character into lowercase character.

else if (ch >= 97 && ch <= 122)
{
    Console.WriteLine("Convert Character '" + ch + "' into : '" + char.ToUpper(ch) + "'");
}

In the above code, we checked entered character is a lowercase character or not. Because the ASCII value of 'a' is 97 and the ASCII value of 'z' is 122. Then here we converted the entered character into uppercase character.

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total answers (1)

C# program to change the case of entered character

C# program to change the case of entered character

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C# Basic Programs | basics

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