imported>Unknown at 05:22, 7 February 2021

2021-02-07T05:22:53Z

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#include <iostream>
using namespace std;

class Memory
{
private:
int firstNumber;
int secondNumber;
int resultNumber;
char sign;
public:
void setFirstNumber(int firstNumber){ this->firstNumber = firstNumber;}
void setSecondNumber(int secondNumber){ this->secondNumber = secondNumber;}
void setResultNumber(int resultNumber){ this->resultNumber = resultNumber;}
void setSign(char sign){ this->sign = sign;}

int getFirstNumber(){ return firstNumber;}
int getSecondNumber(){ return secondNumber;}
int getResultNumber(){ return resultNumber;}
char getSign(){ return sign;}
};

class NumberInputer
{
public:
void pushButton(Memory * memory)
{
inputFirstNumber(memory);
inputSecondNumber(memory);
inputSign(memory);

}
void inputFirstNumber(Memory * memory)
{
int firstNumber;
cin >> firstNumber;
memory->setFirstNumber(firstNumber);
}
void inputSecondNumber(Memory * memory)
{
int secondNumber;
cin >> secondNumber;
memory->setSecondNumber(secondNumber);
}
void inputSign(Memory * memory)
{
char sign;
cin >> sign;
switch(sign)
{
case '+':
case '-':
case '*':
case '/':
memory->setSign(sign);
break;
default:
cout << "입력이 잘못되었습니다." << endl;
exit(0);
}
}
};

class ComputeDevice
{
public:
void compute(Memory * memory)
{
switch(memory->getSign())
{
case '+':
memory->setResultNumber(memory->getFirstNumber() + memory->getSecondNumber());
break;
case '-':
memory->setResultNumber(memory->getFirstNumber() - memory->getSecondNumber());
break;
case '*':
memory->setResultNumber(memory->getFirstNumber() * memory->getSecondNumber());
break;
case '/':
memory->setResultNumber(memory->getFirstNumber() / memory->getSecondNumber());
break;
}
}

};

class Lcd
{
public:
void output(Memory * memory) { cout << memory->getResultNumber() << endl;}
};

class Calculator
{
private:
NumberInputer numberInputer;
ComputeDevice computeDevice;
Lcd lcd;
Memory * memory;
public:
Calculator() { memory = new Memory; }
void create() {
numberInputer.pushButton(memory);
computeDevice.compute(memory);
lcd.output(memory);
}
~Calculator() { delete memory; }
};

int main()
{
Calculator calculator;
calculator.create();
return 0;
}

상욱형이 짜주신 계산기 메인은 짧은데 클래스 길이가;;;
* 그냥 보여주기 위한 코드에요. 결코 올바른 프로그래밍은 아니라는거 명심하세요^^; - [[상욱]]

MFCStudy2006/Class로 계산기 짜기 <- 이런 이름이 더 좋을듯 싶네요^^ - 아영
----
[[MFC Study 2006]]

Class로 계산기 짜기 - Revision history

imported>Unknown at 05:22, 7 February 2021