类的实现

//file.h

class CPU
...{
private :
    
short charge;
    
char name;
    
static int count;
public:
    CPU(
short a,char b);
    CPU(CPU 
&cpu);
//    ~CPU();
    void put();
    
void change(char a);
}
;
//类的定义完成
//file1.cpp
//这是类的实现文件。
#include <iostream>
#include 
"file.h"
using namespace std;
int CPU::count=0;
CPU::CPU(
short a,char b)
...{
    charge
=a;
    name
=b;
    count
++;
    cout
<<"我被调用,静态数据将自加1"<<endl;
}

CPU::CPU(CPU 
&cpu)
...{
    cout
<<"我是拷贝构造函数,通过我将能生成新的对象"<<endl;
    charge
=cpu.charge;
    name
=cpu.name;
    count
++;
}

void CPU::put()
...{
    cout
<<"cpu的价格是:"<<charge<<endl;
    cout
<<"cpu的名字是:"<<name<<endl;
    cout
<<"现在cpu的数量是:"<<count<<endl;
}

void CPU::change(char a)
...{
    name
=a;
    cout
<<"cpu的名字的改变。"<<endl;
    CPU::put();

}

//CPU::~CPU(){cout<<"析构函数被调用"<<endl;}
//类的实现已完成。
//file2.cpp
#include <iostream>
#include 
"file.h"
using namespace std;
void main()
...{
    CPU a(
500,'w');
    a.put();
    a.change(
'c');
//    a.put();
//    CPU B(a);
//    B.put();
}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
                                                      
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