C#关键字Check简单介绍

  static void Main(string[] args)
        {
            int i = 10;

            Console.WriteLine(2147483647 + i);
            Console.ReadKey();

 int i = 10;
            Console.WriteLine(checked(2147483647 + i));
            Console.ReadKey();

  static int maxIntValue = 2147483647;
       static int CheckMethod()
        {
            int z = 0;
            try
            {
                z = checked(maxIntValue + 10);
            }
            catch (System.OverflowException e)
            {
                Console.WriteLine("Checked and Caught" + e.ToString());

            }
            return z;
        }

        static int UncheckedMethod()
        {
            int z = 0;
            try
            {
                z = maxIntValue + 10;
            }
            catch(System.OverflowException e)
            {
                Console.WriteLine("Unchecked and Caught" + e.ToString());

            }
            return z;

           
        }
        static void Main()
        {
           Console.WriteLine("\nChecked output valuse is:{0}",CheckMethod());
            Console.WriteLine("\nUnChecked output valuse is:{0}",
                UncheckedMethod());
            Console.ReadKey();
        }