Declaration And Access Control MCQ

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

  static

  খ

  final

  গ

  abstract

  ঘ

  native

  ঙ

  volatile
• A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?
  ক

  Declare the method with the keyword public.

  খ

  Declare the method with the keyword private.

  গ

  Declare the method with the keyword protected.

  ঘ

  Do not declare the method with any accessibility modifiers.

  ঙ

  Declare the method with the keyword public and private.
• A package is a collection of
  ক

  Classes

  খ

  Interfaces

  গ

  Editing tools

  ঘ

  Classes and Interfaces

  ঙ

  Editing tools and Interfaces
• Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?
  ক

  This method is only accessible from inside the class itself and from inside all subclasses.

  খ

  In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined.

  গ

  From within protected methods you do not have access to public methods.

  ঘ

  This method is accessible from within the class itself and from within all classes defined in the same package as the class itself.