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C#中的try catch finally

2024-08-09 22:50:49   222人阅读

try中的程序块是有可能发生错误的程序块，catch中的程序块是当发生错误的时候才会执行的代码块，finally中的程序块是无论是否发生错误都会执行的代码块。

示例程序：

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace Sample_01_CA
{
    public class Complex
    {
        static void Main(string[] args)
        {
            int i = 2008;
            int j = 0;
            try
            {
                int result = i / j;
            }
            catch
            {
                Console.WriteLine("J变量的值为0");
            }
            finally
            {
                Console.WriteLine(j.ToString());
            }
            Console.Read();
        }
    };
}


程序输出为：

J变量的值为0

0

 

示例程序：

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace Sample_01_CA
{
    public class Complex
    {
        static void Main(string[] args)
        {
            int i = 2008;
            int j = 2;
            try
            {
                int result = i / j;
            }
            catch
            {
                Console.WriteLine("J变量的值为0");
            }
            finally
            {
                Console.WriteLine(j.ToString());
            }
            Console.Read();
        }
    };
}


程序输出为：

0

C#中的try catch finally


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