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Core Java - Interview Questions
  1. Is null a keyword?
     
  2. What is an iterator interface?
     
  3. What's new with the stop(), suspend() and resume()
     
  4. What are wrapped classes?
     
  5. What is the collections api?
     
  6. How are this and super used?
     
  7. What is synchronization and why is it important?
     
  8. What is the vector class?
     
  9. What is the map interface?
     
  10. Why do threads block on i/o?
     
  11. What is the list interface?
     
  12. What is casting?
     
  13. What is the difference between yielding and sleeping?
     
  14. What is the purpose of finalization?
     
  15. What is the purpose of the file class?
     
  16. What is the locale class?
     
  17. What is the difference between the >> and >>> operators?
     
  18. What is the range of the char type?
     
  19. What are e and pi?
     
  20. What is the dictionary class?
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