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第三周:程序阅读(2)

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2016-06-07 15:14:301044browse

*copyright (c) 2014, 烟台大学计算机学院. *All rights reserved. *文件名称:test.cpp *作者:陆云杰 *完成日期:2015年3月19日 *版本号:v1.0 * * *问题描述:程序阅读 *程序输入: 略 *程序输出: 略 */ (2)利用指针访问私有数据成员: #include iostream



*copyright (c) 2014, 烟台大学计算机学院.
 
*All rights reserved.
 
*文件名称:test.cpp 

*作者:陆云杰
 
*完成日期:2015年3月19日 
 
*版本号:v1.0


 
*
 
*问题描述:程序阅读
 
*程序输入: 略

*程序输出: 略
 
*/   

(2)利用指针访问私有数据成员:

#include <iostream>
using namespace std;
class Test
{
private:
    int x,y;
public:
    void setX(int a)
    {
        x=a;
    }
    void setY(int b)
    {
        y=b;
    }
    void getXY(int *px, int *py)
    {
        *px=x;    //提取x,y值
        *py=y;
    }
};
int main()
{
    Test p1;
    p1.setX(3);
    p1.setY(5);
    int a,b;
    p1.getXY(&a,&b);  //将 a=x, b=y
    cout<img  src="/inc/test.jsp?url=http%3A%2F%2Fimg.blog.csdn.net%2F20150319213056813%3Fwatermark%2F2%2Ftext%2FaHR0cDovL2Jsb2cuY3Nkbi5uZXQvbHVfeXVuamll%2Ffont%2F5a6L5L2T%2Ffontsize%2F400%2Ffill%2FI0JBQkFCMA%3D%3D%2Fdissolve%2F70%2Fgravity%2FCenter&refer=http%3A%2F%2Fblog.csdn.net%2Flu_yunjie%2Farticle%2Fdetails%2F44465267" alt="第三周:程序阅读(2)" ><br>
<br>



</iostream>
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