Interview questions

Software Developer/ Programmer interview questions – page 30

2,071 questions. Tap “Show answer” to check yourself.

  1. We can overload assignment operator as a normal function.But we can not overload assignment operator as friend function why?

  2. What is the differance between equals() method and ==

  3. What is the difference between Point to Point and Publish/Subscribe Messaging Domains

  4. Distinguish between setscreen and call screen?

  5. What is the life cycle of MDB

  6. What is the difference between CMP 1.1 and CMP 2.0

  7. Why an onMessage call in Message-driven bean is always a seperate transaction

  8. What is the diffrence between JAVA Mail and JMS Queue

  9. How can i change font of menubar in visual basic6.0?

  10. Why Pointers are not used in C Language. What are the main differences between C and C++

  11. What is session ?how to manage the session?

  12. Why multiple Inheritance is not possible in C#?

  14. How can double dimensional arrays be dynamically initialized in C++?

  15. What is an algorithm (in terms of the STL/C++ standard library)?

  16. Can u kill thread manually. What is the disadvantage

  17. What is the difference between encapsulation & abstraction?

  18. What is modal and modeless?pl explain

  19. Is instance pooling necessary for entity beans?

  20. What happens if the argument you want ro pass is an object instead of a primitive?

  21. Can we override the service method?if we can do that then why do we override only doGET()and doPost() methods if the servlet is of protocol specific?

  22. How do you know the port number of the server program you want to talk to?

  23. How to check for repeated patterns in a password?

  24. Which keyword is used of specify a class that cannot inherit by other class?

  25. How is rounding performed under integer division?

  27. How do you identify a line from the basic list.

  28. Difference between "vector" and "array"?

  29. What is the difference between structures and classes in C++?

  30. What is the use of volatile keyword? Give me one example?

  31. Can we have "Virtual Constructors"?

  32. Name the eight primitive Java type.

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