Nested Class MCQ

Test your knowledge with important Nested Class MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Nested Class MCQs at Bissoy

• A static nested class is _____________ class in behavior that is nested in another _________ class.
  ক

  Top level, top level

  খ

  Top level, low level

  গ

  Low level, top level

  ঘ

  Low level, low level
• If a declaration of a member in inner class has the same name as that in the outer class, then ________________ enclosing scope.
  ক

  Outer declaration shadows inner declaration in

  খ

  Inner declaration shadows outer declaration in

  গ

  Declaration gives compile time error

  ঘ

  Declaration gives runtime error
• Instance of inner class can exist only _______________ enclosing class.
  ক

  Within

  খ

  Outside

  গ

  Private to

  ঘ

  Public to
• How to create object of the inner class?
  ক

  OuterClass.InnerClass innerObject = outerObject.new InnerClass();

  খ

  OuterClass.InnerClass innerObject = new InnerClass();

  গ

  InnerClass innerObject = outerObject.new InnerClass();

  ঘ

  OuterClass.InnerClass = outerObject.new InnerClass();
• A nested class can have its own static members.
  ক

  True

  খ

  False
• How to access static nested classes?
  ক

  OuterClass.StaticNestedClass

  খ

  OuterClass->StaticNestedClass

  গ

  OuterClass(StaticNestedClass)

  ঘ

  OuterClass[StaticNestedClass
• Which among the following is the correct advantage/disadvantage of nested classes?
  ক

  Makes the code more complex

  খ

  Makes the code unreadable

  গ

  Makes the code efficient and readable

  ঘ

  Makes the code multithreaded
• Use of nested class ____________ encapsulation.
  ক

  Increases

  খ

  Decreases

  গ

  Doesn’t affect

  ঘ

  Slightly decreases
• The nested class can be declared ___________________
  ক

  Public

  খ

  Private

  গ

  Protected

  ঘ

  Public, Protected, Private or Package private
• Static nested classes doesn’t have access to _________________ from enclosing class.
  ক

  Private members

  খ

  Protected members

  গ

  Public members

  ঘ

  Any other members
• Non-static nested classes have access to _____________ from enclosing class.
  ক

  Private members

  খ

  Protected members

  গ

  Public members

  ঘ

  All the members
• How many categories are nested classes divided into?
  ক

  2

  খ

  3

  গ

  4

  ঘ

  5
• Which among the following best describes a nested class?
  ক

  Class inside a class

  খ

  Class inside a function

  গ

  Class inside a package

  ঘ

  Class inside a structure