Static Data Members MCQ

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• Which among the following is wrong syntax related to static data members?
  ক

  className :: staticDataMember;

  খ

  dataType className :: memberName =value;

  গ

  static dataType memberName;

  ঘ

  className : dataType -> memberName;
• If object of class are created, then the static data members can be accessed ____________
  ক

  Using dot operator

  খ

  Using arrow operator

  গ

  Using colon

  ঘ

  Using dot or arrow operator
• Whenever any static data member is declared in a class ______________________
  ক

  Only one copy of the data is created

  খ

  New copy for each object is created

  গ

  New memory location is allocated with each object

  ঘ

  Only one object uses the static data
• Which data members among the following are static by default?
  ক

  extern

  খ

  integer

  গ

  const

  ঘ

  void
• Which among the following is the correct syntax to access static data member without using member function?
  ক

  className -> staticDataMember;

  খ

  className :: staticDataMember;

  গ

  className : staticDataMember;

  ঘ

  className . staticDataMember;
• The static data member __________________________
  ক

  Can be accessed directly

  খ

  Can be accessed with any public class name

  গ

  Can be accessed with dot operator

  ঘ

  Can be accessed using class name if not using static member function
• If static data members have to be used inside a class, those member functions _______________
  ক

  Must not be static member functions

  খ

  Must not be member functions

  গ

  Must be static member functions

  ঘ

  Must not be member function of corresponding class
• The syntax for defining the static data members is __________
  ক

  dataType className :: memberName = value;

  খ

  dataType className : memberName = value;

  গ

  dataType className . memberName = value;

  ঘ

  dataType className -> memberName =value;
• The static data member ______________________
  ক

  Must be defined inside the class

  খ

  Must be defined outside the class

  গ

  Must be defined in main function

  ঘ

  Must be defined using constructor
• Which is the correct syntax for declaring static data member?
  ক

  static mamberName dataType;

  খ

  dataType static memberName;

  গ

  memberName static dataType;

  ঘ

  static dataType memberName;
• Any changes made to static data member from one member function _____________
  ক

  Is reflected to only the corresponding object

  খ

  Is reflected to all the variables in a program

  গ

  Is reflected to all the objects of that class

  ঘ

  Is constant to that function only
• Which among the following best defines static variables members?
  ক

  Data which is allocated for each object separately

  খ

  Data which is common to all the objects of a class

  গ

  Data which is common to all the classes

  ঘ

  Data which is common to a specific method