using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication2
{
class Program
{
//5． 通過(guò)“委托”方式實(shí)現(xiàn)求一個(gè)整數(shù)的平方與平方根。
public delegate void Get(int x);
class SqureandRoot
{
public void Square(int x)
{
Console.WriteLine("{0}", x * x);
}
public void SquareRoot(int x)
{
Console.WriteLine("{0}", Math.Sqrt(x));
}
}
static void Main(string[] args)
{
SqureandRoot sr = new SqureandRoot();
Get get= new Get(sr.Square);
Get get1 = new Get(sr.SquareRoot);
Get get2 = get + get1;
get2(4);
Console.ReadKey();
}
}
}
