Java MCQs with answers Page - 12

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Q. Which of these is a mechanism for naming and visibility control of a class and its content?

  • (A) Object
  • (B) Packages
  • (C) Interfaces
  • (D) None of the Mentioned

A

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Q. Which of this access specifies can be used for a class so that its objects can be created by a different class in another package?

  • (A) Public
  • (B) Protected
  • (C) No Modifier
  • (D) All of the mentioned

A

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Q. Which of the following is correct way of importing an entire package ‘pkg’?

  • (A) import pkg.
  • (B) Import pkg.
  • (C) import pkg.*
  • (D) Import pkg.*

A

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Q. Which of the following is incorrect statement about packages?

  • (A) Package defines a namespace in which classes are stored.
  • (B) A package can contain other package within it.
  • (C) Java uses file system directories to store packages.
  • (D) A package can be renamed without renaming the directory in which the classes are stored.

A

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Q. Which of these method of class String is used to extract a single character from a String object?

  • (A) CHARAT()
  • (B) chatat()
  • (C) charAt()
  • (D) ChatAt()

A

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Q. Which of these method of class String is used to obtain length of String object?

  • (A) get()
  • (B) Sizeof()
  • (C) lengthof()
  • (D) length()

A

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Q. Which of these keywords is not a part of exception handling?

  • (A) try
  • (B) finally
  • (C) thrown
  • (D) catch

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Q. The code within the ----------- block will always be executed whether or not an exception is thrown.

  • (A) try..catch
  • (B) finally
  • (C) throw
  • (D) throws

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Q. Which of these keywords is used to manually throw an exception?

  • (A) try
  • (B) finally
  • (C) throw
  • (D) catch

A

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Q. Which of these keywords must be used to monitor for exceptions?

  • (A) try..catch
  • (B) finally
  • (C) throw
  • (D) throws

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