指定抛异常类型

 1 #include <iostream>
 2 using namespace std;
 3 
 4 void show() throw (int)
 5 {
 6     throw double(2);
 7 }
 8 
 9 int main()
10 {
11     try{
12         show();
13     }
14     catch (double eobj)
15     {
16         cout << eobj << endl;
17     }
18     catch (int eobj)
19     {
20         cout << eobj << endl;
21     }
22     
23     return 0;
24 }