f1506.cpp

来自「《C++程序设计教程（第二版）》源代码 源代码中包括运行所需的数据文件,它的格」· C++ 代码 · 共 40 行

//=====================================
// f1506.cpp
// 异常匹配
//=====================================
#include<iostream>
using namespace std;
//-------------------------------------
class A{};
class B{};
//-------------------------------------
int main(){
  try{
    int j=0;
    double d=2.3;
    char str[20]="Hello";
    cout<<"Please input a exception number: ";
    int a; cin>>a;
    switch(a){
      case  1: throw d;
      case  2: throw j;
      case  3: throw str;
      case  4: throw A();
      case  5: throw B();
      default: cout<<"No throws here.\n";
    }
  }catch(int){
    cout<<"int exception.\n";
  }catch(double){
    cout<<"double exception.\n";
  }catch(char*){
    cout<<"char* exception.\n";
  }catch(A){
    cout<<"class A exception.\n";
  }catch(B){
    cout<<"class B exception.\n";
  }
  cout<<"That's ok.\n";
}//====================================