第七次课——10.10
作者：互联网
作业26
#include <iostream>
#include <stdlib.h>
#include <string>
using namespace std;
class student
{
private:
string name1;
int age;
public:
void setStudent(string, int);
void setName(string);
string getName();
void setAge(int);
int getAge();
void printStudent() const;
};
//在类体外定义成员函数
void student::setStudent(string s, int a)
{
name1 = s;
age = a;
}
void student::setName(string n)
{
name1 = n;
}
string student::getName()
{
return name1;
}
void student::setAge(int aa)
{
age = aa;
}
int student::getAge()
{
return age;
}
void student::printStudent() const
{
cout << "姓名：" << name1 << endl;
cout << "年龄：" << age << endl;
cout << endl;
}
int main()
{
student s;
s.setStudent("zhangsan", 21);
s.getName();
s.getAge();
s.printStudent();
system("pause");
return 1;
}
作业27
#include <iostream>
using namespace std;
class CType
{
private:
int radius;
int width;
public:
CType() :radius(16), width(185)//参数列表初始化私有变量
{
}
CType(int r, int w) :radius(r), width(w)
{
}
int getRadius()
{
return radius;
}
int getWidth()
{
return width;
}
};
class CCar
{
private:
int price;
CType type;
public:
CCar();
CCar(int p, int tr, int tw);
int getPrice()
{
return price;
}
CType getCType()
{
return type;
}
};
CCar::CCar()
{
price = 156000;
CType();
}
CCar::CCar(int p, int tr, int tw) :price(p), type(tr, tw){};
int main()
{
CCar car(128000, 17, 225);
cout << "price=" << car.getPrice();
cout << "\tCType.Radius=" << car.getCType().getRadius();
cout << "\tCType.Width=" << car.getCType().getWidth() << endl;
CCar car1;
cout << "price=" << car1.getPrice();
cout << "\tCType.Radius=" << car1.getCType().getRadius();
cout << "\tCType.Width=" << car1.getCType().getWidth() << endl;
system("pause");
return 1;
}
作业28
#include <iostream>
using namespace std;
class myComplex
{
private:
double real, imag;
public:
myComplex();
myComplex(double r, double i);
friend myComplex addCom(myComplex c1, myComplex c2);f
riend void outCom(myComplex c);
};
myComplex::myComplex()
{
real = 0;
imag = 0;
}
myComplex::myComplex(double r, double i)
{
real = r;
imag = i;
}
myComplex addCom(myComplex c1, myComplex c2)
{
return myComplex(c1.real + c2.real, c1.imag + c2.imag);
}
void outCom(myComplex c)
{
cout << "(" << c.real << "," << c.imag << ")";
}
int main(
{
myComplex c1(1, 2), c2(3, 4), res;
res = addCom(c1, c2);
outCom(c1);
cout << "+";
outCom(c2);
cout << "=";
outCom(res);
cout << endl;
system("pause");
return 0;
}
作业29
#include <iostream>
using namespace std;
class Location
{
public:
int x, y;
void init(int initx, int inity);
int Getx();
int Gety();
};
void Location::init(int initx, int inity)
{
x = initx;
y = inity;
}
int Location::Getx()
{
return x;
}
int Location::Gety()
{
return y;
}
void display(Location &rL)
{
cout << rL.Getx() << " " << rL.Gety() << endl;
}
int main()
{
Location A[5] = { { 5, 5 }, { 3, 3 }, { 1, 1 }, { 2, 2 }, { 4, 4 } };
Location *rA = A;
A[3].init(7, 3);
rA->init(7, 8);
for (int k = 0; k < 5; k++)
display(*(rA++));
system("pause");
return 1;
}
作业30
#include <iostream>
using namespace std;
class myComplex
{
private:
double real, imag;
public:
myComplex();
myComplex(double r, double i);
void outCom();
myComplex operator-(const myComplex &c);
friend myComplex operator+(const myComplex &c1, const myComplex &c2);
};
myComplex::myComplex()
{
real = 0;
imag = 0;
}
myComplex::myComplex(double r, double i)
{
real = r;
imag = i;
}
myComplex operator+(const myComplex &c1, const myComplex &c2)
{
return myComplex(c1.real + c2.real, c1.imag + c2.imag);
}
myComplex myComplex::operator-(const myComplex &c)
{
return myComplex(this->real - c.real, this->imag - c.imag);
}
void myComplex::outCom()
{
cout << "(" << real << "," << imag << ")";
}
int main()
{
myComplex c1(1, 2), c2(3, 4), res;
c1.outCom();
cout << "operator+ ";
c2.outCom();
cout << "=";
res = c1 + c2; //重载的是“+”
res.outCom();
cout << endl;
c1.outCom();
cout << "operator-";
c2.outCom();
cout << "=";
res = c1 - c2;
res.outCom();
system("pause");
return 1;
}
标签：return,cout,int,第七次,c2,10.10,c1,myComplex 来源： https://www.cnblogs.com/cnxm/p/15472523.html