(i) What is Function 1 referred as? When will it be executed?

Question

Answer the questions (i) and (ii) after going through the following 

class: class planet 

{

char name[20];

char distance[20]; 

public:

planet() //Function 1

{

strcpy(name, "Venus");

strcpy(distance, "38 million km"); 

}

void display(char na[], char d[]) //Function 2 

{ 

cout<< na<<"has"<<d<<"distance from Earth"<<endl; 

}

planet(char na[],

char d[])//Function 3

{

strcpy(name, na);

strcpy(distance, d);

}

~planet() //Function 4 

{

cout<<"Planetariurn time over!!!" <<endl;

} 

}; 

(i) What is Function 1 referred as? When will it be executed? 

(ii) Write suitable C++ statement to invoke Function 2.

Answer 1

(i) Function 1 referred to as a constructor. It will be executed at the time of object creation.

(ii) C++ statement to invoke Function 2: pianet p; 

p.display(“piuto”, “7.5 Billion km”);