Java MCQs with answers Page - 8

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Q. The keyword used to create a constant variable

  • (A) const
  • (B) static
  • (C) final
  • (D) none of these

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Q. What is stored in the object obj in following lines of code? box obj;

  • (A) Memory address of allocated memory of object.
  • (B) NULL
  • (C) Any arbitrary pointer
  • (D) Garbage

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Q. Which of the following is a valid declaration of an object of class Box?

  • (A) Box obj = new Box();
  • (B) Box obj = new Box;
  • (C) obj = new Box();
  • (D) new Box obj;

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Q. Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.

  • (A) static
  • (B) final
  • (C) abstract
  • (D) public

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Q. Variables declared with in a class are called

  • (A) Identifier
  • (B) local variable
  • (C) instance variable
  • (D) global variable

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Q. Variables declared within a method or block are called

  • (A) Static variable
  • (B) local variable
  • (C) instance variable
  • (D) global variable

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Q. Defining methods with same name and different no. of parameters are called

  • (A) Method overriding
  • (B) method overloading
  • (C) Dynamic method dispatch
  • (D) none of the above

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Q. _________ is used to initialize objects.

  • (A) Methods
  • (B) arguments
  • (C) constructors
  • (D) new keyword

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Q. What is the return type of Constructors?

  • (A) int
  • (B) float
  • (C) void
  • (D) None of the mentioned

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Q. Which of the following is a method having same name as that of its class?

  • (A) finalize
  • (B) delete
  • (C) class
  • (D) constructor

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