Interview questions

JAVA interview questions – page 80

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

  1. List the three steps for creating an Object for a class?

  2. What is a pointer and does Java support pointers?

  3. How do you debug in JVM?

  4. Provide examples for differences between JavaScript and JAVA in terms on OOPS concepts?

  5. What do you mean by synchronized Non Access Modifier?

  6. How Java enabled High Performance?

  7. What gives Java its 'write once and run anywhere' nature?

  8. What is java run-time constant pool ?

  9. What is pooling?

  10. Do you know about jdbc in java?

  11. Is the JDBC-ODBC Bridge multi-threaded?

  12. What is html5?

  14. What is your experience in work?

  15. What constitutes success at this position and this firm?

  16. What is the difference between a break statement and a continue statement?

  17. What is CDFR?

  18. Who wrote Struts?

  19. What is the main functionality of the Prepared Statement?

  20. What are the steps for connecting to the database using JDBC?

  21. What is a binary semaphore? What is its use?

  22. Write the algorithm and program for merge sort?

  23. What is JavaServer Faces conversion model?

  24. What is the difference between EJB and J2EE ?

  25. What restrictions are placed on the location of a package statement within a source code file?

  27. What is the difference between creating String as new() and literal?

  28. Implement pow(x, y) which should return x^y. Both iterative and recursive?

  29. When parseInt() method can be used?

  30. Which of the following are true- A) The Void class extends the Class class.B) The Float class extends the Double class.C) The System class extends the Runtime class.D) The Integer class extends the Number class?

  31. What is jdbc best practice?

  32. Differentiate between java aggregation vs composition vs association ?

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