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What are all the packages ?

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What are all the packages ?

What are all the packages ?

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  1. Name 2 calsses you have used ?
  2. Name 2 classes that can store arbitrary number of objects ?
  3. What is the difference between java.applet.* and java.applet.Applet ?
  4. What is a default package ?
  5. What is anonymous class ?
  6. Name interfaces without a method ?
  7. What is the use of an interface ?
  8. What is a serializable interface ?
  9. How to prevent field from serialization ?
  10. What is meant by exception ?
  11. How can you avoid the runtime exception ?
  12. What is the difference between throw and throws ?
  13. Can multiple catch statements be used in exceptions ?
  14. Is it possible to write a try within a try statement ?
  15. What is the method to find if the object exited or not ?
  16. What is meant by a Thread ?
  17. What is meant by multi-threading ?
  18. What is the 2 way of creating a thread ? Which is the best way and why?
  19. What is the method to find if a thread is active or not ?
  20. What are the thread-to-thread communication ?
  21. What is the difference between sleep and suspend ?
  22. Can thread become a member of another thread ?
  23. What is meant by deadlock ?
  24. How can you avoid a deadlock ?
  25. What are the three types of priority ?
  26. What is the use of synchronizations ?
  27. Garbage collector thread belongs to which priority ?
  28. What is the use of ‘this’ ?
  29. How can you find the length and capacity of a string buffer ?
  30. How to compare two strings ?
  31. What are the interfaces defined by Java.lang ?
  32. What is the purpose of run-time class and system class?
  33. What is meant by Stream and Types ?
  34. What is the method used to clear the buffer ?
  35. What is meant by Stream Tokenizer ?
  36. What is serialization and de-serialisation ?
  37. What is meant by Applet ?
  38. How to find the host from which the Applet has originated ?
  39. What is the life cycle of an Applet ?
  40. How do you load an HTML page from an Applet ?
  41. What is meant by Applet Stub Interface ?
  42. What is meant by getCodeBase and getDocumentBase method ?
  43. How can you call an applet from a HTML file?
  44. What is meant by Applet Flickering ?
  45. How to communicate between applet and an applet ?
  46. What is meant by event handling ?
  47. What are all the listeners in java and explain ?
  48. What is meant by an adapter class ?
  49. What are the types of mouse event listeners ?
  50. What are the types of methods in mouse listeners ?

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