This method is used to converts the value of a Unicode character to its uppercase equivalent using the casing rules of the invariant culture.
Syntax:
csharp
csharp
public static char ToUpperInvariant (char c);Here, c is the Unicode character to convert. Return Value: This method returns the uppercase equivalent of the c parameter, or the unchanged value of c, if c is already uppercase or not alphabetic. Below programs illustrate the use of Char.ToUpperInvariant(Char) Method: Example 1:
// C# program to demonstrate
// Char.ToUpperInvariant()
// Method
using System;
class GFG {
// Main Method
public static void Main()
{
// calling get() Method
get('A');
get('a');
get('B');
get('b');
get('-');
}
// Defining get() method
public static void get(char c)
{
// getting Unicode character
// using ToUpperInvariant() Method
char val = Char.ToUpperInvariant(c);
// display the char value
Console.WriteLine("The uppercase equivalent"+
" of the {0} is {1}", c, val);
}
}
Output:
Example 2:
The uppercase equivalent of the A is A The uppercase equivalent of the a is A The uppercase equivalent of the B is B The uppercase equivalent of the b is B The uppercase equivalent of the - is -
// C# program to demonstrate
// Char.ToUpperInvariant()
// Method
using System;
class GFG {
// Main Method
public static void Main()
{
// declaring and initializing char variable
char c = 'a';
// getting Unicode character
// using ToUpperInvariant() Method
char val = Char.ToUpperInvariant(c);
// display the char value
Console.WriteLine("The Uppercase equivalent"+
" of the {0} is {1}", c, val);
}
}
Output:
Reference:
The Uppercase equivalent of the a is A