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Interview Questions

Java Interview Questions:
  1. can i Call Abstract method from non abstract method?
  2. What methods java providing for Thread communication?
  3. Is it possible to override the main method?
  4. Can we instantiate an interface?
  5. What is an EntrySet View?
  6. What is a KeySet View ?
  7. MultiThreading Interview Questions- part1
  8. JavaeEE Framework Questions?
  9. DataBase Interview Questions?
  10. What problem(s) does abstraction and encapsulation solve?
  11. How to Develope Our Servlet As the Best Http Servlet?
  12. Servlet Questions
  13. Servlet Interview Questions-Part2
  14. Can you explain Servlet Life Cycle methods ?
  15. Difference between GET and POST ?
  16. Difference between Web server and Application server?
  17. Different ways to develop servlets?
  18. Can we place only parameterized constructors in a servlet class?
  19. Difference between ServletConfig and ServletContext Object?
  20. Servlet Questions-part3
  21. Important response codes in Servlets
  22. Servlet Questions- Part4
  23. HttpRequestHeader & HttpResponseHeader
  24. What is Server-Side Includes (SSI)? 
  25. What are the lifecycle phases of a JSP? 
  26. JSP Interview Questions-part2 
  27. How to Protect JSPs from direct access ? 
  28. What are the advantages of JSP over Servlet? 
  29. Differences between Servlets and JSP: 
  30. Jsp Interview Questions 
  31. Difference between _jspService() and other life cycle methods
  32.   Jsp Interview Questions-part3
  33. Various attributes Of Page Directives in Jsp 
  34. How does JSP handle run-time exceptions? 
  35. How is scripting disabled in Jsp 
  36. implement a thread-safe JSP page 
  37. What is the purpose of Void class?
  38. What is reflection?
  39. What is the purpose of assert keyword used in JDK1.4
  40. What is skeleton and stub? what is the purpose of those?
  41. What is composition? What is aggregation?
  42. What are the methods in Object?
  43. Can an Interface have an inner class?
  44. What is Externalizable?
  45. What is a local, member and a class variable?
  46. What are the different identifier states of a Thread?
  47. What are some alternatives to inheritance?
  48. Why isn’t there operator overloading?
  49. What does it mean that a method or field is “static"?
  50. How do I convert a numeric IP address like 192.18.97.39 into a host name like java.sun.com?
  51. What is synchronization and why is it important?
  52. What modifiers may be used with an inner class that is a member of an outer class?
  53. How many bits are used to represent Unicode, ASCII,UTF16,UTF18 characters?
  54. What is the difference between preemptive scheduling and Timeslicing?
  55. What is a native method?
  56. What are order of precedence and associativity?
  57. What is the purpose of finalization?
  58. What is the difference between the Boolean & operator and the && operator?
  59. What is the purpose of the finally clause of a try-catch-finally statement?
  60. What is the argument type of a program’s main() method?
  61. Which Java operator is right associative?
  62. What is the difference between a static and a non-static?
  63. What is an object’s lock and which object’s have lock?
  64. When can an object reference be cast to an interface Reference?
  65. Which class is extended by all other classes?



C Interview Questions:


  1. Is C is platform dependent or independent? 
  2. What does the #include directive do? 
  3. Why is the main() function needed in a C program? 
  4. What is the difference between the Heap and the Stack
  5. Why n++ executes faster than n+1?  
  6. How the processor registers can be used in C? 
  7. What are the stream files in C? 
  8. When should a type cast be used?
  9. What is a "null pointer assignment" error? What are buserrors?
  10. Why should we assign NULL to the elements (pointer) after freeing them?
  13. When function say abc() calls another function say xyz(), what happens in stack?
  14. Can include files be nested?
  15. Can static variables be declared in a header file?
  16. How can I open a file so that other programs can update it at the same time?
  17. printf() Function in C Language
  18. malloc() Function- What is the difference between Calloc() and Malloc()\
  19. printf() Function- What is the difference between printf() and sprintf()
  20. Linked Lists -- Can you tell me how to check whether a link list is listed
  21. "union" Data Type What is the output of the following program? why?
  22. What does static variable mean?
  23. Advantages of a macro over a function?


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