第四章实验报告

第四章实验报告
#include<iostream>
using namespace std;
enumCPU_Rank { P1 = 1, P2, P3, P4, P5, P6 };
/*class CPU {
public:
CPU(CPU_Rank r, intnewF, float newV);
void Run(CPU_Rank r, float newF, intnewV);
void Stop();
~CPU() { cout<< "析构了一个CPU" <<endl; }
private:
CPU_Rank rank;
int voltage;
float frequency;
};
void CPU::Run(CPU_Rank r, float newF, intnewV) {
r=rank;
frequency = newF;
voltage = newV;
}
inline void CPU::Stop() {
cout<< "rank is "<< rank << "," << "frequency is " << "," << "voltage is " << "." <<endl; }
*/
class CPU {
private:
CPU_Rank rank;
float voltage;
int frequency;
public:
CPU (CPU_Rankr,intf,float v)
{
rank=r;
frequency=f;
voltage=v;
cout<<"构造了一个cpu"<<endl;
}
~CPU() {cout<<"析构了一个CPU"<<endl;}
CPU_RankGetRank() const {return rank;} intGetFrequency() const {return frequency;} floatGetVoltage() const {return voltage;}
voidSetRank(CPU_Rank r) { rank=r ; } voidSetFrequency(int f) { frequency=f; } voidSetVoltage(float v) { voltage=v; }
void Run() {cout<<"CPU开始运行！"<<endl;} void Stop() {cout<<"CPU停止运行！"<<endl;} };
int main() {
CPU myCPU(P6, 300, 2.8);
myCPU.Run();
myCPU.Stop();
}
#include<iostream>
using namespace std;
enumCPU_Rank{P1=1,P2,P3,P4,P5,P6,P7};
class CPU
{private:
CPU_Rank rank;
int frequency;
float voltage;
public:
CPU(CPU_Rankr,intf,float v)
{rank=r;frequency=f;voltage=v;
cout<<"构造了一个CPU!"<<endl;
}
~CPU(){cout<<"析构了一个CPU!"<<endl;}
CPU_RankGetRank() const {return rank;}
intGetFrequency() const {return frequency;}
floatGetVoltage() const {return voltage;}
CPU(CPU &c);
};
CPU::CPU(CPU &c)
{rank=c.rank;frequency=c.frequency;voltage=c.voltage; cout<<"Calling the copy constructor"<<endl;
}
class RAM
{private:
int ram;
public:
RAM(int r){ram=r;cout<<"构造了一个RAM!"<<endl;}
~RAM(){cout<<"析构了一个RAM!"<<endl;}
RAM(RAM &r1);
intGetRam() const {return ram;}
};
RAM::RAM(RAM &r1)
{ram=r1.ram;
cout<<"Calling the copy constructor"<<endl;
}
class CDROM
{private:
intcdrom;
public:
CDROM(int cd ){cdrom=cd;cout<<"构造了一个CDROM!"<<endl;} ~CDROM(){cout<<"析构了一个CDROM!"<<endl;}
CDROM(CDROM &c2);
intGetCdrom() const {return cdrom;}
};
CDROM::CDROM(CDROM &c2)
{cdrom=c2.cdrom;
cout<<"Calling the copy constructor"<<endl;
}
class Computer
{private:
CPU cpu;
RAM ram;
CDROM cdrom;
public:
Computer(CPU cp,RAMra,CDROMcdr):cpu(cp),ram(ra),cdrom(cdr) {cout<<"构造了一个Computer!"<<endl;}
void run(){cout<<"Computer开始运行!"<<endl;}
void stop(){cout<<"Computer停止运行!"<<endl;}
~Computer(){cout<<"析构了一个Computer!"<<endl;}
};
int main()
{ CPUmycpu(P2,300,2.8);
RAM myram(50);
CDROM mycdrom(150);
Computer mycomputer(mycpu,myram,mycdrom); mycomputer.run();
mycomputer.stop();
return 0;
}。