Debian 6.0 安装过程 及中文乱码

#include<iostream>
using namespace std;
int main()
{
int i1=1;
double d1=3.21;
cout<<"int->"<<i1<<endl<<"double->"<<d1<<endl;
system("pause");
}
#include<iostream>
using namespace std;
class person
{
public:
void Display()
{
cout<<"name: "<<_name<<endl;
cout<<"sex: "<<_sex<<endl;
cout<<"age: "<<_age<<endl;
}
char* _name;
char* _sex;
int _age;
};
int main()
{
person p;
p._name="zhangsan";
p._sex="nan";
p._age=31;
p.Display ();
system("pause");
return 0;
}
实例化
#include<iostream>
using namespace std;
class person
{
public:
void Display()
{
cout<<"name: "<<_name<<endl;
cout<<"sex: "<<_sex<<endl;
cout<<"age: "<<_age<<endl;
}
public:
char* _name;
char* _sex;
int _age;
};
void test()
{
person p;
p._name ="hhh";
p._sex ="男";
p._age =20;
p. Display();
}
int main()
{
test();
system("pause");
return 0;
}
日期类
构造函数
#include<iostream>
using namespace std;
class Date
{
public :
Date(int year,int month,int day)
{
cout<<"构造函数"<<endl;
_year=year;
_month=month;
_day=day;
}
void SetDate(int year,int month,int day)
{
_year=year;
_month=month;
_day=day;
}
void Display()
{
cout<<_year<<"-"<<_month<<"-"<<_day<<endl;
}
private :
int _year;
int _month;
int _day;
};
void test1()
{
Date d1(2015,2,11);
d1.Display ();
}
int main()
{
test1();
system("pause");
return 0;
}
重载
#include<iostream>
using namespace std;
class Date
{
public :
Date(int year,int month,int day)
{
cout<<"构造函数"<<endl;
_year=year;
_month=month;
_day=day;
}
Date(int year,int month)
{
_year=year;
_month=month;
_day=11;
}
Date(int year)
{
_year=year;
_month=12;
_day=11;
}
void SetDate(int year,int month,int day)
{
_year=year;
_month=month;
_day=day;
}
void Display()
{
cout<<_year<<"-"<<_month<<"-"<<_day<<endl;
}
private :
int _year;
int _month;
int _day;
};
void test1()
{
Date d1(2015,2,11);
Date d2(2015,2);
Date d3(2015);
d1.Display ();
d2.Display ();
d3.Display ();
}
int main()
{
test1();
system("pause");
return 0;
}
拷贝构造
#include<iostream>
using namespace std;
class Date
{
public :
Date(int year,int month,int day);

Date(const Date& d)
{
cout<<"拷贝构造函数"<<endl;
_year=d._year ;
_month=d._month ;
_day=d._day ;
}
void SetDate(int year,int month,int day)
{
_year=year;
_month=month;
_day=day;
}
void Display()
{
cout<<_year<<"-"<<_month<<"-"<<_day<<endl;
}
private :
int _year;
int _month;
int _day;
};
Date::Date(int year,int month,int day)
{
cout<<"构造函数"<<endl;
_year=year;
_month=month;
_day=day;
}
void test1()
{
Date d1(2015,2,11);
d1.Display ();
Date d2(d1);
d2.Display ();
}
int main()
{
test1();
system("pause");
return 0;
}
析构函数
#include<iostream>
using namespace std;
class Arr
{
public:
Arr(size_t size)
{
_prt=(int*)malloc(sizeof(int)*size);
}
~Arr()
{
free(_prt);
}
private:
int* _prt;
};
int main()
{
Arr(20);
system("pause");
return 0;
}
复数类
#include<iostream>
using namespace std;
class Complex
{
public :
Complex(double real=0,double image=0)
{
cout<<"Complex (double real=0,double image=0)"<<endl;
_real=real;
_image=image;
}

~Complex()
{
cout<<"~Complex()"<<endl;
}

Complex(const Complex& d)
{
cout<<"Complex(comst Complex& d)"<<endl;
_real=d._real ;
_image=d._image ;
}

Complex& operator=(const Complex& d)
{
cout<<"operator=(const Complex& d)"<<endl;
if(this!=&d)
{
this->_real=d._real;
this->_image=d._image;
}
return *this;
}
void Display()
{
cout<<"Real:"<<_real<<"--Image:"<<_image<<endl;
}
private:
double _real;
double _image;
};
void test()
{
Complex d1(1.1,3.3);
d1.Display ();
}
int main()
{
test();
system("pause");
return 0;
}