TECHNICAL QUESTIONS
1. What is a virtual function?
2. Diff b/w func. overloading and func overriding.
3. What is an abstract class?
4. What are "cin" and "cout" - a function or something else?
5. If class C is derived from class B and class B is derived frm class A, define the order in which constructor and destructor would be called if an object of class C is made and explain why?
6. If class A is an abstract class in above question, define the order in which constructor and destructor would be called if an object of class C is made and explain why?
7.What is pure virtual function?
8. Give exmples of virtual func and pure virtual func in real world.
9. Give example of function overloading in real world.
10. Can two parent classes of a derived class have a member function/variable having same name?
11. What is type convertion?
12. Can int be converted into float, float to int, char to int or int to char?
13. What is multilevel and multiple inheritence?
14. Write the structure of switch statement.
15. Some questions by shuffling various case statements, bringing default to top, removing break.
16. Give output:--
int a=5;
cout<<++a<<a<<a++;
17.What is super( ); ?
18. Difference b/w c and c++ .
19. Why is java so popular?
20. What are bytecodes in java?
21. What is platform independence?
22. Write a Query to count the no. of rows in a table.
23. Write a query to find the second largest no. in a column.
24. Who is the author of C++ ?
1. What is a virtual function?
2. Diff b/w func. overloading and func overriding.
3. What is an abstract class?
4. What are "cin" and "cout" - a function or something else?
5. If class C is derived from class B and class B is derived frm class A, define the order in which constructor and destructor would be called if an object of class C is made and explain why?
6. If class A is an abstract class in above question, define the order in which constructor and destructor would be called if an object of class C is made and explain why?
7.What is pure virtual function?
8. Give exmples of virtual func and pure virtual func in real world.
9. Give example of function overloading in real world.
10. Can two parent classes of a derived class have a member function/variable having same name?
11. What is type convertion?
12. Can int be converted into float, float to int, char to int or int to char?
13. What is multilevel and multiple inheritence?
14. Write the structure of switch statement.
15. Some questions by shuffling various case statements, bringing default to top, removing break.
16. Give output:--
int a=5;
cout<<++a<<a<<a++;
17.What is super( ); ?
18. Difference b/w c and c++ .
19. Why is java so popular?
20. What are bytecodes in java?
21. What is platform independence?
22. Write a Query to count the no. of rows in a table.
23. Write a query to find the second largest no. in a column.
24. Who is the author of C++ ?
