Different forms of Lambda Expressions

lambdaexpressions1.cs

class Program
{
    delegate int Delegate1();
    delegate int Delegate2(int a);
    delegate int Delegate3(int a, int b);

    static void Main(string[] args)
    {
        //No parameters
        Delegate1 del1 = () => PrintValue();
        int val1 = del1(); //1

        //One parameter
        Delegate2 del2 = x => x * x;
        int val2 = del2(2); //4

        //Multiple parameters
        Delegate3 del3 = (x, y) => x * y;
        int val3 = del3(2, 3); //6

    }

    static int PrintValue()
    {
        return 1;
    }

}