Interview questions

Team Lead/ Tech Lead interview questions – page 46

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

  1. Given a text file, input.txt, provide the statement required to open this file with the appropriate I/O

  2. True or False: A Web service can only be written in .NET?

  3. What is the Difference between sendRedirect() and Forward?

  4. What happens when a thread cannot acquire a lock on an object?

  5. What is Response object? How is it related to ASP's Response object?

  6. The following is the namespace used for Reflection:

  7. What class is the top of the AWT event hierarchy?

  8. It is essential to catch all types of exceptions

  9. For what purpose java language is named as java?

  10. Write a program on RMI and JDBC using Stored Procedure?

  11. What is the difference between null array and an empty array?

  12. What is meant by class loader. How many types are there. When will we use them?

  14. Void main(){ float a= 0.7; if (a < 0.7) printf("c"); else printf("c++");} Output of the above program is c. Why? Whereas the same program with 0.8 instead of 0.7 gives c++ as the output? Why explain?

  15. How does Java handle integer overflows and underflows?

  16. What is the immediate superclass of the Dialog class?

  17. What is a satellite assembly?

  18. What is a constructor ?

  19. What is the root class in .Net ?

  20. To which numbering system can the binary number 1101100100111100 be easily converted to?

  21. What is Thread? Use of Threads in c#.

  22. How do you invoke a Servelt. What is the difference in between doPost and doGet methods?

  23. What are comment line arguments in C programiing? and also give an example.

  24. What is a multicast delegate?

  25. What is the difference between the paint() and repaint() methods?

  27. Can you store multiple data types in System.Array?

  28. How i can run *.bat or *.cmd file by using system function in c ?

  29. Why there are some null interface in java. What does it mean. Give me some null interfaces in JAVA?

  30. What's the use of System.Diagnostics.Process class?

  31. Difference between SqlCommand and SqlCommandBuilder

  32. What is reflection in Microsoft .NET Context?

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