FLEXTRONICS Placement Paper - Object oriented Programming Questions

FLEXTRONICS Previous Years Solved Sample Placement Papers

1. Where is the object created?

   (A) Class

   (B) Constructor

   (C) Destructor

   (D) Attributes

   Ans: (B)

2. How to access the object in the class?

   (A) Scope resolution operator

   (B) Ternary operator

   (C) Direct member access operator

   (D) None of the mentioned

   Ans: (C)

3. Which of these following members are not accessed by using direct member access operator?

   (A) Public

   (B) Private

   (C) Protected

   (D) Both b & c

   Ans: (D)

4. What is the output of the following program?

   #include <iostream>
   using namespace std;
   class Box {
   public:
       double length, breadth, height;
   };
   int main() {
       Box Box1;
       double volume;
       Box1.height = 5;
       Box1.length = 6;
       Box1.breadth = 7.1;
       volume = Box1.height * Box1.length * Box1.breadth;
       cout << "Volume of Box1 : " << volume << endl;
       return 0;
   }
               

   (A) 210

   (B) 213

   (C) 215

   (D) 217

   Ans: (B)

5. Pick out the other definition of objects.

   (A) Member of the class

   (B) Associate of the class

   (C) Attribute of the class

   (D) Instance of the class

   Ans: (D)

6. How many objects can present in a single class?

   (A) 1

   (B) 2

   (C) 3

   (D) As many as possible

   Ans: (D)

7. What is the output of this program?

   #include <iostream>
   using namespace std;
   class sample {
   private:
       int var;
   public:
       void input() { cout << var; }
       void output() {
           cout << "Variable entered is ";
           cout << var << "\n";
       }
   };
   int main() {
       sample object;
       object.input();
       object.output();
       object.var();
       return 0;
   }
               

   (A) Enter an integer 5 Variable entered is 5

   (B) Runtime error

   (C) Error

   (D) None of the mentioned

   Ans: (C)

8. Which special character is used to mark the end of a class?

   (A) ;

   (B) :

   (C) #

   (D) $

   Ans: (A)

9. What is the output of this program?

   #include <iostream>
   using namespace std;
   class number {
       int i;
   public:
       int geti();
       void puti(int j);
   };
   int number::geti() { return i; }
   void number::puti(int j) { i = j; }
   int main() {
       number s;
       s.puti(10);
       cout << s.geti();
       return 0;
   }
               

   (A) 10

   (B) 11

   (C) 20

   (D) 22

   Ans: (A)