面向对象封装
#include<iostream>
using?namespace?std;
class?Calc
{
private://聲明私有成員,外部類不能訪問int?sum;int?diff;int?pro;int?que;
public://聲明公有方法,所有類都可以調用void?add(int?num1,?int?num2){sum?=num1?+?num2;printf("%d=%d+?%d\n",?sum,?num1,?num2);}void?sub(int?num1,?int?num2){diff?=?num1?-?num2;printf("%d=%d-%d\n",?diff,?num1,?num2);}void?mul(int?num1,?int?num2){pro?=?num1?-?num2;printf("%d=%d-%d\n",?pro,?num1,?num2);}void?div(int?num1,?int?num2){que?=?num1?/?num2;printf("%d=%d/%d\n",?que,?num1,?num2);}
};int?main(void)
{Calc?test;test.add(12,?13);test.sub(8,9);test.mul(5,6);test.div(24,?4);getchar();return?0;
}
轉載于:https://blog.51cto.com/lk123456/1759637
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