- Example

#include <iostream>
class HelloGoodBye{
public:
  HelloGoodBye(int i):numb(i){
    std::cout << "Hello from " << numb << ": "<< std::endl;
  }
  ~HelloGoodBye();
private:
  int numb;
};
HelloGoodBye::~HelloGoodBye(){
  std::cout << "Good Bye from : " <<  numb << std::endl;
}
void func(){
  HelloGoodBye helloGoodBye(5);
}
HelloGoodBye helloGoodBye(1);
int main(){
  std::cout << std::endl;
  HelloGoodBye helloGoodBye(2);
  std::cout << std::endl;
  HelloGoodBye* helloGoodByePtr = new HelloGoodBye(3);
  std::cout << std::endl;
  {
    HelloGoodBye helloGoodBye(4);
  }
  std::cout << std::endl;
  delete helloGoodByePtr;
  func();
  std::cout << "--------- End of main ----------"  << std::endl;
}