C# and condition

C# and condition

&& Operator
This one will validate left had side value, if that value is false then it will not call (or validate) right hand side value. After that, it will validate and condition

& Operator

This one will validate left hand and right hand values, then validate and condition

class LogicalAnd
{
    static void Main()
    {
        // Each method displays a message and returns a Boolean value. 
        // Method1 returns false and Method2 returns true. When & is used,
        // both methods are called. 
        Console.WriteLine("Regular AND:");
        if (Method1() & Method2())
            Console.WriteLine("Both methods returned true.");
        else
            Console.WriteLine("At least one of the methods returned false.");

        // When && is used, after Method1 returns false, Method2 is 
        // not called.
        Console.WriteLine("\nShort-circuit AND:");
        if (Method1() && Method2())
            Console.WriteLine("Both methods returned true.");
        else
            Console.WriteLine("At least one of the methods returned false.");
    }

    static bool Method1()
    {
        Console.WriteLine("Method1 called.");
        return false;
    }

    static bool Method2()
    {
        Console.WriteLine("Method2 called.");
        return true;
    }
}