Abstract Class Quiz

Beschreibung

Quiz about the java abstract class
joannazhang13
Quiz von joannazhang13, aktualisiert more than 1 year ago
joannazhang13
Erstellt von joannazhang13 vor mehr als 9 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
An abstract class is a superclass
Antworten
  • True
  • False

Frage 2

Frage
An abstract class can be instantiated
Antworten
  • True
  • False

Frage 3

Frage
Abstract methods are not implemented.
Antworten
  • True
  • False

Frage 4

Frage
A concrete class can contain abstract methods.
Antworten
  • True
  • False

Frage 5

Frage
An abstract class is declared with keyword abstract.
Antworten
  • True
  • False

Frage 6

Frage
A subclass will always be concrete even it if doesn't implement all of the abstract methods of its superclass.
Antworten
  • True
  • False

Frage 7

Frage
An abstract class can have instance variables.
Antworten
  • True
  • False

Frage 8

Frage
An abstract class can have no abstract methods.
Antworten
  • True
  • False

Frage 9

Frage
An abstract class cannot have concrete methods.
Antworten
  • True
  • False
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