Interview questions

JAVA interview questions – page 17

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

  1. Why does my applet work with Appletviewer, but not with a browser?

  2. What is JDBC Driver interface?

  3. What does a socket consists of?

  4. Which of the following is false for the Type 4 drivers in java

  5. What is the life cycle of Stateless session bean?

  6. Which of the following is not an isolation level in the JDBC.

  7. What is the servlet life cycle?

  8. What is method declaration,method attributes,method modifiers and parameters

  9. How to transfer a bulk amount of tabular data from a jsp page to an ejb thru a servlet and viceversa

  10. How to Retrieve Warnings?

  11. Apart from context param , is there any other way to set/declare the global variable to access over the application?

  12. What's the difference between the == operator and the equals() method? What test does Object.equals() use, and why?

  14. Difference between local and global transaction?

  15. In How many ways we can request the System for the garbage collection to cleanup the memory? And what are the differences?

  16. If you want a servlet to take the same action for both GET and POST request, what should you do?

  17. What are the Applet's information methods?

  18. Should I use a separate network for multicast in a cluster?

  19. State true or false :-The JDBC-ODBC bridge from Sun's Java Software does not provide network access to desktop databases like Microsoft access by itself.

  20. How many jobs can we write in a singlefile ?

  21. Why do I have trouble targeting a PointBase connection pool to a remote server?

  22. What is the use of using session facade design pattern in EJB'S?

  23. What is ACID

  24. What are the common tasks of JDBC?

  25. What is the difference between Stateful session bean and Stateless session bean?

  27. Which of the following statements is true regarding the two tier model of the JDBC driver model.

  28. Can I use the PointBase DBMS included with WebLogic Server for development or production?

  29. What are the design patterns in EJB? Clarify it?

  30. Can I modify the eclipse toolkit?

  31. Discuss the differences between creating a new class, extending a class and implementing an interface; and when each would be appropriate.

  32. Addition of two numbers using Bitwise operators.Reading An 2D array using single for loop

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