//public static void T1()
//{
// Console.WriteLine("我是T1");
//}
//public static void T2()
//{
// Console.WriteLine("我是T2");
//}
//public static void T3()
//{
// Console.WriteLine("我是T3");
//}
//public static void T4()
//{
// Console.WriteLine("我是T4");
//}
#endregion
#region 泛型委托
//public static T GetMax<T>(T[] nums,DelConpare<T> del)
//{
// T max = nums[0];
// for (int i = 0; i < nums.Length; i++)
// {
// if (del(max,nums[i])<0)
// {
// max = nums[i];
// }
// }
// return max;
//}
//public static int Comparel(int n1,int n2)
//{
// return n1 - n2;
//}
#endregion
#region 委托
//public static void Test(string name, DelSayHi del)
//{
// del(name);
//}
//public static void SayHelloChinese(string name)
//{
// Console.WriteLine("吃了吗" + name);
//}
//public static void SayHelloEnglish(string name)
//{
// Console.WriteLine("Nice to meet you" + name);
//}
#endregion
#region 加减乘除
public static CalFather GetCal(string opera, double n1, double n2)
{
CalFather cal = null;
switch (opera)
{
case "+": cal = new Add(n1, n2);
break;
case "-":
cal = new Sub(n1, n2);
break;
case "*":
cal = new Cheng(n1, n2);
break;
case "/":
cal = new Chu(n1, n2);
break;
}
return(cal);
}
static Operation GetOperation(string oper, int n1, int n2)
{
Operation operation = null;
switch (oper)
{
case "+":
operation = new Add(n1, n2);
break;
case "-":
operation = new Sub(n1, n2);
break;
case "*":
operation = new Cheng(n1, n2);
break;
case "/":
operation = new Chu(n1, n2);
break;
}
return(operation);
}
