using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleTryCatch
{
    internal class Program
    {
        static void Main(string[] args)
        {
            try						//使用try…catch语句
            {
                object obj = null;		//声明一个object变量，初始值为null
                int N = (int)obj;		//将object类型强制转换成int类型
            }
            catch (Exception ex)		//捕获异常
            {
                Console.WriteLine("捕获异常：" + ex);		//输出异常
            }
            Console.ReadLine();
        }
    }
}