using System;

​

public class Program

{

    public static void Main()

    {

        // STRING TO INTEGER CONVERSION

        int number1 = int.Parse("42"); // Explicit declaration with the full type name

        Console.WriteLine("int number1 = int.Parse('42'); = " + (number1 + 1));

        var number2 = int.Parse("42"); // Implicit declaration with the "var" keyword is not possible

        Console.WriteLine("var number2 = int.Parse('42'); = " + (number2 + 1));

​

        System.Int32 number3 = System.Int32.Parse("42"); // Explicit declaration with the full type name

        Console.WriteLine("System.Int32 number3 = System.Int32.Parse('42'); = " + (number3 + 1));

        var number4 = System.Int32.Parse("42"); // Implicit declaration with the "var" keyword is not possible

        Console.WriteLine("var number4 = System.Int32.Parse('42'); = " + (number4 + 1));

​

        // STRING TO DOUBLE CONVERSION

        string stringValue = "3.14";

        double doubleValue = double.Parse(stringValue); // Conversion of the string "3.14" to a double value

        Console.WriteLine("double doubleValue = double.Parse(stringValue); = " + (doubleValue + 1));

​

        // STRING TO BOOLEAN CONVERSION

        string boolString = "true";

        bool boolValue = bool.Parse(boolString); // Conversion of the string "true" to a boolean value

        Console.WriteLine("bool boolValue = bool.Parse(boolString); = " + (!boolValue)); // Invert the value

​

        // STRING TO CHAR CONVERSION WITH SPECIFIED UTF-16 CODE

        string charString = "A";

        char charValue = char.Parse(charString); // Conversion of the string "A" to a char value

        Console.WriteLine("char charValue = char.Parse(charString) = " + (charValue + 0)); // The UTF-16 Unicode code for the uppercase letter A is 65

    }

}