技術標籤：多型多型c++

#include<iostream>
using namespace std;
//多型實現計算器
class Culculator {
public:
	int num1;
	int num2;
	char ch;
	virtual int GetResult(char ch,int num1,int num2) = 0;
};
class Add:public Culculator{
public:
	int GetResult(char ch,int num1,int num2) {
		this->num1 = num1;
		this->
 
num2 = num2;
		if (ch == '+')
		return (num1 + num2);
	}
};
class Minus :public Culculator {
public:
	int GetResult(char ch,int num1,int num2)
	{
		this->num1 = num1;
		this->num2 = num2;
		if (ch == '-')
			return (num1 - num2);
	}
};
class Mul :public Culculator {
public:
	int GetResult(char
 
 ch, int num1, int num2) {
		this->num1 = num1;
		this->num2 = num2;
		if (ch == '*')
			return (num1 *num2);
	}
};
class Div :public Culculator {
public:
	int GetResult(char ch,int num1,int num2) {
		this->num1 = num1;
		this->num2 = num2;
		if (ch == '/')
			return (num1/num2);
	}
};
void
 
 ReturnResult(Culculator* cul) 
{
	int result=cul->GetResult('*',10,5);
	cout << "結果為" << result << endl;
	delete cul;
}
int main()
{
	ReturnResult(new Mul);
	system("pause");
	return 0;
}