[Solved] trying to write a program to undersatnd pre & post increments and unary operators

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This little program shows how pre and post increments works.

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine("After pre {0}", PreInc());
        Console.WriteLine();
        Console.WriteLine("After post {0}", PostInc());
        Console.ReadLine();
    }

    public static int PreInc()
    {
        int a = 0;

        do {
            Console.WriteLine("PreIncrement value of a is {0}", ++a);
        } while (a < 10);

        return a;
    }

    public static int PostInc()
    {
        int a = 0;

        do {
            Console.WriteLine("PostIncrement value of a is {0}", a++);
        } while (a < 10);

        return a;
    }
}

solved trying to write a program to undersatnd pre & post increments and unary operators