StarMirror/cpp-interview
1
0
Fork 0
mirror of https://github.com/huihut/interview.git synced 2024-03-22 13:10:48 +08:00
Code Issues Projects Releases Wiki Activity

为动态多态（晚绑定）例子加上虚析构和delete指针

Browse Source
This commit is contained in:
huihut 2018-05-02 11:35:32 +08:00
parent f11d2f3261
commit baf036d9b5
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
README.md
View File

@ -515,6 +515,7 @@ public:
{
...
}
virtual ~Shape();
};
class Circle : public Shape // 圆形类
{
@ -534,6 +535,10 @@ int main()
Shape * shape2 = new Rect(5.0, 6.0);
shape1->calcArea(); // 调用圆形类里面的方法
shape2->calcArea(); // 调用矩形类里面的方法
delete shape1;
shape1 = nullptr;
delete shape2;
shape2 = nullptr;
return 0;
}
```