Question

{C++} Create a base class called Person with a public member function called sayHi which outputs “Hi, I am a person.” Create a derived class called Student which inherits from the Person class (public inheritance) and overwrites the sayHi function and outputs “Hi, I am a student.” Create another derived class called EngineeringStudent which inherits from the Student class (public inheritance) and overwrites the sayHi function and outputs “Hi, I am an engineering student.” In the main program, create a Person object, a Student object, and a EngineeringStudent object. Call the sayHi function on Person, Student, and EngineeringStudent objects to test classes.

Hi, I am a person. Hi, I am a student. Hi, I am an engineering student.

Answer 1

#include <iostream> using namespace std; class Person { public: void sayHi() { cout<<"Hi, I am a person."<<endl; 1 class Student: public Person public: void sayHi() cout<<"Hi, I am a Student."<<endl; class Engineering Student: public Person public: void sayHi() cout<<"Hi, I am an EngineeringStudent."<<endl; int main(void) { Person p; Student s; Engineering Student es; p.sayHi(); s.sayHi(); es. sayHi(); return 0;

Hi, I am a person. Hi, I am a Student. Hi, I am an EngineeringStudent.

#include <iostream>

using namespace std;

class Person {  
public:  
void sayHi(){   
cout<<"Hi, I am a person."<<endl;
}   
};
class Student: public Person   
{   
public:  
void sayHi()   
{   
cout<<"Hi, I am a Student."<<endl;   
}   
};
class EngineeringStudent: public Person   
{   
public:  
void sayHi()   
{   
cout<<"Hi, I am an EngineeringStudent."<<endl;   
}   
};
int main(void) {  
Person p;
Student s;
EngineeringStudent es;
p.sayHi();
s.sayHi();
es.sayHi();
return 0;  
}

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