下面代码的输出结果是()
try {
try {
int i = 0;
object value = 1/i;
} catch(NullReferenceException Exception) {
Console.Write("Null Re Ex");
}
finally {
Console.Write("Cleanup ");
}
} catch {
Console.Write("Generic catch ");
}
下面代码的输出结果是()
try {
try {
int i = 0;
object value = 1/i;
} catch(NullReferenceException Exception) {
Console.Write("Null Re Ex");
}
finally {
Console.Write("Cleanup ");
}
} catch {
Console.Write("Generic catch ");
}
Null Re Ex Cleanup Generic catch
Null Re Ex Cleanup
Cleanup Generic catch
Generic catch Cleanup
此题选C
using System; namespace HelloWorldApplication { public class HelloWorld { static void Main(string[] args) { try { try { int i = 0; object value = 1/i; } catch(NullReferenceException Exception) { //因为不是除0异常,所以不进这个处理 Console.Write("Null Re Ex"); } finally { //1 不管异常有没有被处理,都要执行 Console.Write("Cleanup "); } } catch { //2 ***没写能处理的具体异常类型,那么默认就是catch(Exception ex) //因为内部没有处理异常,所以,异常就抛到外部来了 //如果还不处理,就会继续往方法的调用者那儿抛,直到抛到最终用户看到,这可真不好办啊 Console.Write("Generic catch "); } } } }