class program 4

#include<iostream> 
 
using namespace std; 
class BaseClass1 { 
public: 
    BaseClass1() 
    { cout << " BaseClass1 constructor called" << endl;  } 
}; 
 
class BaseClass2 { 
public: 
    BaseClass2() 
    { cout << "BaseClass2 constructor called" << endl;  } 
}; 
 
class DerivedClass: public BaseClass1, public BaseClass2 { 
  public: 
   DerivedClass() 
    {  cout << "DerivedClass constructor called" << endl;  } 
}; 
 
int main() 
{ 
  DerivedClass derived_class; 
  return 0; 
}