C++ 请教: about the memory layout of the class inheritance# Programming - 葵花宝典
h*r
1 楼
有没有那位可以贴一下US-NEWS的文科排名啊？
比如，想知道美国哪些学校的比较文学专业比较好？
多谢了！
比如，想知道美国哪些学校的比较文学专业比较好？
多谢了！
m*i
2 楼
A summer intern is needed at a brokerage firm for 3 months on web
development projects. The job site is located in New Jersey. The following
are the requirements:
1. Familar with C#, ASP, .NET Web Development, must be an experienced web
developer or have developed rich interactive web sites.
2. Client Side Javascripts, AJAX.
3. MS SQL stored procedure development.
4. Hands on development job.
If interested, please send resume to my mitbbs mail account.
development projects. The job site is located in New Jersey. The following
are the requirements:
1. Familar with C#, ASP, .NET Web Development, must be an experienced web
developer or have developed rich interactive web sites.
2. Client Side Javascripts, AJAX.
3. MS SQL stored procedure development.
4. Hands on development job.
If interested, please send resume to my mitbbs mail account.
O*l
3 楼
请教这里的C++ guru们,谁能解释一下以下几种C++继承中的基类和继承类在内存中是什
么样的结构:
class A
{
int fieldA;
int func();
}
class B : class A
{
int fieldB;
int func();
}
1. inheritance without virtual functions
[This I know] the memory layout is as simple as: [fieldA fieldB]
2. inheritance with virtual functions
[Not quite clear] looks like in debugger memory [vtprA fieldA fieldB]
should there be a vtable pointer for B?
3. multiple inheritance if there is a class C:A and a class D:B, C
4. multiple inheritance with virtual
么样的结构:
class A
{
int fieldA;
int func();
}
class B : class A
{
int fieldB;
int func();
}
1. inheritance without virtual functions
[This I know] the memory layout is as simple as: [fieldA fieldB]
2. inheritance with virtual functions
[Not quite clear] looks like in debugger memory [vtprA fieldA fieldB]
should there be a vtable pointer for B?
3. multiple inheritance if there is a class C:A and a class D:B, C
4. multiple inheritance with virtual
E*7
4 楼
#include
using namespace std;
class Top {
protected:
int x;
public:
Top(int n) { x = n; }
virtual ~Top() {}
friend ostream&
operator<return os << t.x;
}
};
class Left : virtual public Top {
protected:
int y;
public:
Left(int m, int n) : Top(m) { y = n; }
};
class Right : virtual public Top {
protected:
int z;
public:
Right(int m, int n) : Top(m) { z = n; }
};
class Bottom : public Left, public Right {
int w;
public:
Bottom(int
using namespace std;
class Top {
protected:
int x;
public:
Top(int n) { x = n; }
virtual ~Top() {}
friend ostream&
operator<return os << t.x;
}
};
class Left : virtual public Top {
protected:
int y;
public:
Left(int m, int n) : Top(m) { y = n; }
};
class Right : virtual public Top {
protected:
int z;
public:
Right(int m, int n) : Top(m) { z = n; }
};
class Bottom : public Left, public Right {
int w;
public:
Bottom(int
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