Question 3: You are given a class below. class Student{ public : string name ; i

Question

Question 3: You are given a class below.

class Student{

public:

string name;

int age;

void introduce()

{

    cout << “Hello, my name is ” << name << “, and I am ” << age << “years old” << endl;

}

};

Create a constructor to initialize both name and age;

Answer:

Create an object whose name and age are “Li Wang”, 33, respectively, and use pointer points to that object.

Answer:

Change the age of the object to 34 by using pointer.

Answer:

Call the function introduce() by using pointer.

Answer:

Question 4: Separate the Student class into two files: header file and implementation file.

Answer:

Question 5: Create a Professor class, and add any two properties and two functions to the class. In addition, you need to create a constructor to initialize all two properties. No objects are needed.

Explanation / Answer

Question :- Create a constructor to initialize both name and age;
Answer :-
   Student(string n,int a){
       name = n;
       age = a;
   }

Question :- Create an object whose name and age are “Li Wang”, 33, respectively, and use pointer points to that object
Answer :-
   Student* st = new Student("Li Wang",33);

Question :- Change the age of the object to 34 by using pointer.
Answer :-  
   st->age = 34;

Question :- Call the function introduce() by using pointer.
Answer :-
   st-introduce();

Question 4.
Student.h
class Student{
   public:
       string name;
       int age;
       Student(string n,int a){
           name = n;
           age = a;
       }
       void introduce(){
           cout << “Hello, my name is ” << name << “, and I am ” << age << “years old” << endl;
       }
};

Student.cpp

int main(){
   Student *st = new Student("Li Wang",33);
   st->age = 34;
   st-introduce();
}

Question 5.
class Professor{
   public:
       string name;
       int age;
       Professor(string n,int a){
           name = n;
           age = a;
       }
       int get_age(){
           return age;
       }
       string get_name(){
           return name;
       }
       void set_name(string n){
           name = n;
       }
       void set_age(int n){
           age = n;
       }
};

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