#include <iostream>
#include <string.h>
using namespace std;

//Car class definition
class Car{
        private:
           int number;
           double gas;
           char* pName;
        public:
           Car(char* pN, int  n, double g);
           ~Car();
           void showNumber(){cout<<"CarNumber="<<number<<endl;}
           void showGas();
};

Car::Car(char* pN, int n, double g)
{
     cout << "creat car with (number,gas,name)="<<n<<","<<g<<","<<pN<<endl;
     pName = new char[strlen(pN)+1];
     number = 0;
     gas=0;
}

Car::~Car()
{
     cout << "delete "<<*pName<<endl;
     delete [] pName;
}

int main()
{
     cout << "welcome to C++ for class Car" << endl;
     Car mycar("mycar", 1234, 25.5);
     Car mycar2("mycar22", 2234, 35.5);
     return 0;
}


**********************************
出力は

welcome to C++ for class Car
creat car with (number,gas,name)=1234,25.5,mycar
creat car with (number,gas,name)=2234,35.5,mycar22
delete
delete

となるはず。