check last character of a string c#
string str = "Hello World";
string substr = str.Substring(str.Length - 1);check last character of a string c#
string str = "Hello World";
string substr = str.Substring(str.Length - 1);Find last digit of a number in c#
Console.WriteLine("Please write your number:");
long n = long.Parse(Console.ReadLine());
long lastDigit = n % (10); //or int or double - whatever numeral data type suits you
Console.WriteLine("The last digit of your number {0} is: {1}", n, lastDigit);
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