Interview questions

Team Lead/ Tech Lead interview questions – page 25

3,203 questions. Tap “Show answer” to check yourself.

  1. Why doesn't JDBC accept URLs instead of a URL string?

  2. What is mean by table control, where it is used? why it is use?

  3. Can the main() method be overloaded? or overrided? and what happens when we do so?

  4. How can i call parameterized constructor if am instantiating a object using "Class.forName("Abc").newInstance()"?

  5. How do you know that where to use abstract class or interface?

  6. What is new in JDBC 2.0?

  7. What JDBC objects generate SQLWarnings?

  8. Which Java and java.sql data types map to my specific database types?

  9. Are there any components or add-ons that must be installed on the SAP Systems in order to work with SAP JCo?

  10. How can i retrieve from inside my Bean(Stateless session and Entity CMP) the user name which i am serving (the user name of user just logged in my web application)?

  11. What is long text?

  12. What are the implicit objects in JSP & differences between them?

  14. What is entity reference ?

  15. Can we have more than one selection-screen . And how ?

  16. What does it mean to "materialize" data?

  17. What is pessimistic concurrency?

  18. How can I enable session tracking for JSP pages if the browser has disabled cookies?

  19. What is DDE?

  20. Suppose emp is one class that we have to create, and have to add empname, empid as member of this class, what should be the code for that ? how we can calculate the salary for emp ? pl explain steps.

  21. How to move the cursor in scrollable resultset ?

  22. What type of reports (ALV, Interactive, Classic) we can generate in SAP ABAP?

  23. What is Enterprise JavaBeans Query Language?

  24. I would like to do the following. If cell A1 contains "Hello" and if the focus is on A1 and if the Enter key is pressed, then the focus should go to B2 and a MsgBox should appear. I think this can be done with key events, something like OnKeyDown, but how

  25. How can I use the JDBC API to access a desktop database like Microsoft Access over the network?

  27. Which is the new version of visual basic and what is difference between vb 5.0 and vb 6.0?

  28. Can any body tell me the code procedure for preparing parameterized cristel reports.the report should be generated by taking to or more parameters.example: report should be genarated FROM DATE to TODATE

  29. How to transport scripts ?

  30. Difference between Occurs0,occurs10 and occurs100?

  31. Have you developed COM+ components? Any other types of server based components?

  32. What is servlet ,what is the use of it?

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