Interview questions

JAVA interview questions – page 71

2,804 questions. Tap “Show answer” to check yourself.

  1. What r the disadvantages of MVC-2 Architecture?

  2. How to run batch program without jcl?

  3. What is JDBC and ODBC and what are the differences between them?

  4. What is the difference between pageContext and page implicit objects in jsp?

  5. Advantage of Update Panel over Asp.net 2.0 + C#+ Microsoft Ajax 1.0

  6. Struts follows which design patterns?

  7. EDP RESPONSIBILITIES

  8. What is the purpose of premetive data types in java?

  9. What is callable statement?

  10. What is the difference between Abstract Class and Interface

  11. How many trys can we write in one class

  12. Is set interface synchronized by default?

  14. What is the difference between equals method and ==

  15. What is rowset?

  16. Java violates few objected oriented concepts. Can youexplain in what way?

  17. Why Java is not purely object oriented?

  18. What is the difference between Abstract and Interface?

  19. How can we create a object of a class without using new operator.

  20. If we have a column (Key) in a table.and values of that column is Key111223344555and we want to show the data after query..like..1(3)2(3)3(2)4(2)5(3)how many times a single term comes..

  21. How to handle exceptions without using try,catch,throw, and log4j

  22. How to make a method thread safe without using synchronized keyword?

  23. How can we handle runtime exceptions? write one sampleprogram? Can we write runtime exceptions beside the throwskey word? if yes write sample program?

  24. A class can be a subclass of itself?

  25. How to lock an user when he enter wrongcredentials(uname&password) more than 3 times.take theusername and passowrd in a bean no need to conned Db .provide me sample application code or and ideas or links ortutorials

  27. Will it be called overriding if I do not change the parameters or return type, instead throw a different exception in the method signature.

  28. What is indexing?

  29. How a programmer confirms that the data submitted has beensuccesfully inserted into the database(either oracle or mysql).. How a programmer confirm if there is any problem withthe program he wrote for insertion

  30. What is the use of abstract class?

  31. When to use abstract class and when to use interface?

  32. What is RunTime Polymorphism?

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