/*定义一个简单的Computer类

有数据成员芯片(cpu)、内存(ram)、光驱(cdrom)等等，

有两个公有成员函数run、stop。cpu为CPU类的一个对象，

ram为RAM类的一个对象，cdrom为CDROM类的一个对象，

定义并实现这个类。

2018.4.3

*/

• 代码如下

#include<iostream>

#include<string>

using namespace std;

class CPU{

public:

    CPU(int sta,string tp);

    CPU(const CPU &ad);

    ~CPU();

    void details();

private:

    int standard;

    string brand;

};

CPU::CPU(int sta,string tp){

    this->standard = sta;

    this->brand = tp;

}

CPU::CPU(const CPU &ad) {

    cout << endl << "Warnning:This Copy constructors.!!!" << endl;

    this->brand = ad.brand;

    this->standard = ad.standard;

}

CPU::~CPU(){

};

void CPU::details(){

    cout << "The details of CPU:" << endl;

    cout << "The brand is " << brand << endl;

    cout << "The standard is " << standard << endl << endl;

}

class RAM{

public:

    RAM(int mem,int bit, string tp);

    RAM(RAM &ad);

    ~RAM();

    void details();

private:

    int memory;

    int bits;

    string brand;

};

RAM::RAM(int mem, int bit, string tp){

    this->memory = mem;

    this->bits = bit;

    this->brand = tp;

}

RAM::RAM(RAM &ad){

    cout << endl << "Warnning:This Copy constructors.!!!" << endl;

    this->memory = ad.memory;

    this->bits =ad.bits;

    this->brand =ad.brand;

}

RAM::~RAM(){

}

void RAM::details(){

    cout << "The details of RAM:" << endl;

    cout << "The brand is " << brand << endl;

    cout << "The memory is " << memory<< endl;

    cout << "The bits are " << bits << endl << endl;

}

class CDROM

{

public:

    CDROM(int st, string bra);

    CDROM(CDROM &ad);

    ~CDROM();

    void details();

private:

    int standard;

    string brand;

};

CDROM::CDROM(int st, string bra){

    this->brand = bra;

    this->standard = st;

}

CDROM::CDROM(CDROM &ad) {

    cout << endl << "Warnning:This Copy constructors.!!!" << endl;

    this->brand = ad.brand;

    this->standard = ad.standard;

}

CDROM::~CDROM(){

}

void CDROM::details(){

    cout << "The details of CDROM:" << endl;

    cout << "The brand is " << brand << endl;

    cout << "The standard is " << standard << endl << endl;

}

class Computer {

public:

    Computer(CPU cp,RAM ra,CDROM cdro);

    Computer(Computer &ad);

    ~Computer();

    void stop();

    void run();

    void details();

private:

    CPU cpu;

    RAM ram;

    CDROM cdrom;

};

Computer::Computer(CPU cp, RAM ra, CDROM cdro):cpu(cp),ram(ra),cdrom(cdro){

    cout << "Computer is OK!" << endl;

}

Computer::Computer(Computer &ad): cpu(ad.cpu), ram(ad.ram), cdrom(ad.cdrom) {

    cout << endl << "Warnning:This Copy constructors.!!!" << endl;

    cout << "Computer is OK!" << endl;

}

Computer::~Computer() {

}

void Computer::run(){

    cout << "Computer is running!" << endl;

}

void Computer::stop(){

    cout << "Computer stoped!" << endl;

}

void Computer::details(){

    cpu.details();

    ram.details();

    cdrom.details();

}

int main(void){

    CPU cp(1,"!@!");

    RAM ra(1024,10,"!#@!$");

    CDROM cd(2561,"$#%$#^");

    Computer cs(cp, ra, cd);

    cs.run();

    cs.details();

    cs.stop();

    return 0;

}

• 测试截图