C#异常由类表示。C#中的异常类主要是直接或间接地从System.Exception类派生。从System.Exception类派生的某些异常类是System.ApplicationException和System.SystemException类。
System.DivideByZeroException是一个类,用于处理因除以零而产生的错误。
using System;
namespace ErrorHandlingApplication {
class DivNumbers {
int result;
DivNumbers() {
result = 0;
}
public void division(int num1, int num2) {
try {
result = num1 / num2;
} catch (DivideByZeroException e) {
Console.WriteLine("Exception caught: {0}", e);
} finally {
Console.WriteLine("Result: {0}", result);
}
}
static void Main(string[] args) {
DivNumbers d = new DivNumbers();
d.division(25, 0);
Console.ReadKey();
}
}
}输出结果
Exception caught: System.DivideByZeroException: Attempted to divide by zero. at ErrorHandlingApplication.DivNumbers.division (System.Int32 num1, System.Int32 num2) [0x00000] in <a9b37148b4814c1a849bf4ee94fbe889>:0 Result: 0