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Java Basic Mcq Questions and Answers

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21. A package is a collection of
 
  • A. Interfaces
  • B. Classes
  • C. Both (a) and (b)
  • D. None of these
Answer: D.
None of these
 
22. The java variable is/are
 
  • A. Instance variables
  • B. Class variables
  • C. Local variables
  • D. All of these
Answer: D.
All of these
 
 
23. Which one of the following concept is incorporated in building a java program?
 
  • A. Encapsulation
  • B. Inheritance
  • C. Polymorphism
  • D. All of these
Answer: D.
All of these
 
24. The state of left cycle of a thread is
 
  • A. Runable state
  • B. Running state
  • C. Blocked state
  • D. All of these
Answer: D.
All of these