初始化列表

初始化列表

 1 //
 2 //  Box.hpp
 3 //  cplus
 4 //
 5 //  Created by wanwan on 17/2/7.
 6 //  Copyright © 2017年 yuge. All rights reserved.
 7 //
 8 
 9 #ifndef Box_hpp
10 #define Box_hpp
11 
12 #include <stdio.h>
13 
14 class Box
15 {
16 public:
17     double x;
18     double y;
19     double z;
20     
21     Box(double x,double y,double z);
22 };
23 
24 #endif /* Box_hpp */
 1 //
 2 //  Box.cpp
 3 //  cplus
 4 //
 5 //  Created by wanwan on 17/2/7.
 6 //  Copyright © 2017年 yuge. All rights reserved.
 7 //
 8 
 9 #include "Box.hpp"
10 #include <iostream>
11 using namespace std;
12 
13 Box::Box(double x,double y,double z):x(x),y(y),z(z)
14 {
15     cout<< "x,y,z = "<<x<<","<<y<<","<<z<<endl;
16 }
 1 //
 2 //  main.cpp
 3 //  cplus
 4 //
 5 //  Created by wanwan on 17/2/7.
 6 //  Copyright © 2017年 yuge. All rights reserved.
 7 //
 8 
 9 #include <iostream>
10 #include "Box.hpp"
11 using namespace std;
12 
13 int main(int argc, const char * argv[]) {
14     
15     Box box1(10,20,30);
16     return 0;
17 }
18 
19 /*
20 结果:
21 x,y,z = 10,20,30
22 */
posted @ 2017-02-07 15:11  yuge790615  阅读(118)  评论(0)  编辑  收藏  举报