#ifndef?COW_H_
#define?COW_H_
class?Cow
{
private:
char?name[20];
char?*?hobby;
double?weight;
public:
Cow();
Cow(const?char?*?nm,?const?char?*?ho,?double?wt);
Cow(const?Cow?&?c);
~Cow();
Cow?&?operator=(const?Cow?&?c);
void?ShowCow()?const;
};
#endif
#include?"Cow.h"
#include?<iostream>
using?std::cout;
using?std::endl;
Cow::Cow()
{
strcpy_s(name,?20,?"Default");
hobby?=?new?char[20];
strcpy_s(hobby,?20,?"Default?Hobby");
weight?=?0;
}
Cow::Cow(const?char?*?nm,?const?char?*?ho,?double?wt)
{
strcpy_s(name,?20,?nm);
hobby?=?new?char(strlen(ho)+1);
strcpy_s(hobby,?strlen(ho)?+?1,?ho);
weight?=?wt;
}
Cow::Cow(const?Cow?&?c)
{
strcpy_s(name,?20,?c.name);
hobby?=?new?char(strlen(c.hobby)+1);
strcpy_s(hobby,?strlen(c.hobby)?+?1,?c.hobby);
weight?=?c.weight;
}
Cow::~Cow()
{
delete[]hobby;
}
Cow?&?Cow::operator=(const?Cow?&?c)
{
if?(this?==?&c)
return?*this;
delete[]hobby;
strcpy_s(name,20,?c.name);
hobby?=?new?char(strlen(c.hobby)+1);
strcpy_s(hobby,strlen(c.hobby)+1,?c.hobby);
weight?=?c.weight;
return?*this;
}
void?Cow::ShowCow()?const
{
cout?<<?"The?name:?"?<<?name?<<?"?,?and?the?hobby:?"?<<?hobby?<<?"?,?and?the?weight:?"
<<?weight?<<?endl;
}
#include?<iostream>
#include?"Cow.h"
using?std::cout;
using?std::endl;
int?main()
{
{
Cow?t1;
cout?<<?"The?first?Cow?object:\n";
t1.ShowCow();
Cow?t2("mark",?"football",?120);
cout?<<?"The?second?Cow?object:\n";
t2.ShowCow();
Cow?t3(t1);
cout?<<?"The?third?Cow?object?(copy?by?the?first?one):\n";
t3.ShowCow();
Cow?t4?=?t2;
cout?<<?"The?fourth?Cow?object?update:\n";
t4.ShowCow();
}
return?0;
}
我在VS2013的一個C++程序觸發(fā)了一個斷點是什么意思啊
慕田峪3750655
2016-08-31 18:45:26