Interview questions

JAVA interview questions – page 63

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

  1. What is the difference between RMI & Corba?

  2. Is there a particularly good IDE to use with Struts

  3. Why is there no polymorphic-type response from a create() or find() method?

  4. How should I obtain my JDBC connection so that it participates in the EJB container's transaction?

  5. How big should I make the cache for a stateful session bean?

  6. What is Synchronisation in threads?

  7. When you use a struts framework, where would you place your business logic

  8. What is kSOAP

  9. When you have an object passed to a method and when the object is reassigned to a different one, then is the original reference lost

  10. What is PDAP

  11. Must EJBs be homogeneously deployed across a cluster? Why?

  12. What is EJB Home object ?

  14. What is the command in subscript?

  15. According to the specification, "Getting a property value for a name which has not been set is handled as if the the property exists with a null value." In the case of getStringProperty, does this mean a null value or a null string?

  16. What is authentication ?

  17. How many types of protocol implementations does RMI have?

  18. What are the two important TCP Socket classes?

  19. What is client-certificate authentication ?

  20. What is "attribute"?

  21. Did you set up a workflow? Are you familiar with all steps for setting up a workflow?

  22. What is EJB server ?

  23. Under what conditions is an object's finalize() method invoked by the garbage collector?

  24. What is EJB container ?

  25. What is the difference between URL instance and URLConnection instance?

  27. What is the Set interface?

  28. Does RMI-IIOP support dynamic downloading of classes?

  29. In production what is the user exit?

  30. Name four Container classes.Window, Frame, Dialog, FileDialog, Panel, Applet, or ScrollPane?

  31. What does web module contain?

  32. Does RMI-IIOP support code downloading for Java objects sent by value across an IIOP connection in the same way as RMI does across a JRMP connection?

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