文件格式

开发平台：

C/C++

ExampleFour.cpp：源码内容

							#include <iostream>
using namespace std;
class CErrorBase
{
public:
	virtual void PrintError()
	{
		cout<<"CErrorBase"<<endl;
	}
};
class CErrorOverflow:public CErrorBase
{
public:
	virtual void PrintError()
	{
		cout<<"CErrorOverflow"<<endl;
	}
};
class CErrorNullPointer:public CErrorBase
{
public:
	virtual void PrintError()
	{
		cout<<"CErrorNullPointer"<<endl;
	}
};
class CErrorZeroDevide:public CErrorBase
{
public:
	virtual void PrintError()
	{
		cout<<"CErrorZeroDevide"<<endl;
	}
};
void Func(int i)
{
	if(i%3==0)
		throw CErrorOverflow();		
	if(i%4==0)
		throw CErrorNullPointer();
	if(i%5==0)
		throw CErrorZeroDevide();
}
int main(int argc, char* argv[])
{
	int i;
	cin>>i;
	try
	{
		Func(i);
	}
	catch(CErrorBase &e)
	{
		e.PrintError();
	}
	return 0;
}

						