Interview questions

System Security Engineer interview questions – page 11

881 questions. Tap “Show answer” to check yourself.

  1. Why should every class in java extend Object class?

  2. How can create multiple inheritence inc#, with example?

  3. Is there any sample C# code for simple threading?

  4. What are the Normalization Rules. Define the Normalization?

  5. What event results from the clicking of a button?

  6. Can we run .NET in unix plateform?

  7. Why is collection framework called as framework?

  8. Constant volatile variable declaration is possible or not? if give any one example and reason.

  9. How do you mark a method obsolete?

  10. What is the difference between the functions rand(),random(),srand() and randomize()?

  11. Assign a=56;how to separate that number(ie:5,6) and multiply(ie:5*6) using bitwise operator?

  12. What are bit fields? What is the use of bit fields in a structure declaration?

  13. How would you qsort() function to sort an array of structures?

  14. How can we read/write structures from/to data files?

  15. What is serialization? What is transient? What is the default value of a transient variable?

  16. Difference between calloc and malloc ?

  17. What is the syntax for calling an overloaded constructor within a constructor (this() and constructorname() does not compile)?

  18. Waht are the Advantages of ADO.Net?

  19. Why is the Object class super class of all the classes?

  20. What is the difference between a struct and a class in C#?

  21. Is it possible to have different access modifiers on the get/set methods of a property?

  22. What is the difference between runtime polimorphism, and compiletime polimorphism ?

  23. What is the difference between main() and Main()

  24. How can I get around scope problems in a try/catch?

  25. How do I convert a string to an int in C#?

  26. How are the elements of a GridBagLayout organized?

  27. What is the difference between synchronized block and normal block ?

  28. Does C# support try-catch-finally blocks?

  29. What is meant by static query and dynamic query?

  30. How to check infinity value? when we passed too large number in String and cast in to float value it will be give infinity. how to catch it?

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