C++ Read and write multiple objects of same class

Question

airport air(1,2,3); //an airport constructor
ofstream myfile;
myfile.open(\"rishab\",ios::app||ios::binary);
myfile.write((char*)air,sizeof(airport);
myfile.close();         


        

Answer 1

ofstream myfile;

std::vector vec;
myfile.open("rishab",ios::app||ios::binary);
while(myfile.write(reinterpret_cast(&air),sizeof(airport)) != 0)
   vec.push_back(air);

myfile.close();

Now use vec for processing