Создать класс жидкость, имеющий название (указатель на строку), плотность

#include <cstring>
#include <iostream>
#include <iomanip>
 
class Fluid {
 public:
  Fluid() : name(new char[1]()), density(0) {}
  Fluid(const char *name, double density) : name(0), density(density) {
    setName(name);
  }
  Fluid(const Fluid &other) : name(0), density(other.getDensity()) {
    setName(other.getName());
  }
  Fluid &operator=(const Fluid &other) {
    if (this != &other) {
      setName(other.getName());
      setDensity(other.getDensity());
    }
    return *this;
  }
  virtual ~Fluid() {
    delete [] name;
  }
  const char *getName() const {
    return name;
  }
  void setName(const char *name) {
    delete [] this->name;
    this->name = strcpy(new char[strlen(name) + 1], name);
  }
  double getDensity() const {
    return density;
  }
  void setDensity(double density) {
    this->density = density;
  }
 private:
  char *name;
  double density;
};
 
std::ostream &operator<<(std::ostream &stream, const Fluid &fluid) {
  return stream << "Fluid{" <<
    "name='" << fluid.getName() << "'," <<
    "density=" << std::fixed << std::setprecision(3) <<
      fluid.getDensity() << "}";
}
 
class Alcohol : public Fluid {
 public:
  Alcohol() : Fluid(), strength(0) {}
  Alcohol(const char *name, double density, double strength)
    : Fluid(name, density), strength(strength) {}
  void setStrength(double strength) {
    this->strength = strength;
  }
  double getStrength() const {
    return strength;
  }
 private:
  double strength;
};
 
std::ostream &operator<<(std::ostream &stream, const Alcohol &fluid) {
  return stream << "Alcohol{" <<
    "name='" << fluid.getName() << "'," <<
    "density=" << std::fixed << std::setprecision(3) <<
      fluid.getDensity() << "," <<
    "strength=" << fluid.getStrength() << "}";
}
 
int main(int argc, char *argv[]) {
  Fluid water("Water", 1.01726);
  Alcohol vodka("Vodka", 1.02128, 34.765);
  
  std::cout << water << std::endl << vodka << std::endl;
  
  return 0;
}