chapter2-35.cpp

C++STL程序员开发指南

//文件名：CHAPTER2-35.cpp
#include<iostream.h>
template<class T>
class Array
{
    int i;
	    T *ar;
public:
Array(int c):i(c){ar=new T[c];}
	    void init(int n,T x){ar[n]=x;}
	    T& operator[](int n) { if(n>=i)throw n; return ar[n];}
};
void main()
{
  Array<int> array(5);
  cout<<"Please input every element's value:"<<endl;
  try{ for(int i=0;i<5;i++) {cout<<"No."<<i+1<<':';	cin>>array[i];}
	      cout<<array[5];  //测试数组越界从而导致异常处理的产生
    }
  catch(int x) {    cout<<"A error array ID number has been found.This value is "<<x<<endl;  }
}