C/code/CPU类的定义和使用——9-02.cpp

#include <iostream>
using namespace std;

enum CPU_Rank { P1 = 1, P2, P3, P4, P5, P6, P7 };

class CPU {
private:
    CPU_Rank rank;
    int frequency;
    float voltage;

public:
    // 构造函数
    CPU(CPU_Rank r = P1, int f = 100, float v = 2.0) : rank(r), frequency(f), voltage(v) {
        cout << "one CPU is created!" << endl;
    }

    // 析构函数
    ~CPU() {
        cout << "one CPU is distoried!" << endl;
    }

    // 运行
    void run() {
        cout << "CPU is running!" << endl;
    }

    // 停止
    void stop() {
        cout << "CPU stop!" << endl;
    }

    // 显示CPU信息
    void display() const {
        cout << "rank:P" << rank << endl;
        cout << "frequency:" << frequency << endl;
        cout << "voltage:" << voltage << endl;
    }
};

int main() {
    int f;
    float v;
    cin >> f >> v;

    CPU myCPU(P6, f, v);
    myCPU.run();
    myCPU.display();
    myCPU.stop();

    return 0;
}