In polymorphism, a reference variable of the superclass can refer to the object of which classes?OptionsOnly the subclassOnly the superclassAny classThe superclass or any of its subclasses
Question
In polymorphism, a reference variable of the superclass can refer to the object of which classes?OptionsOnly the subclassOnly the superclassAny classThe superclass or any of its subclasses
Solution
The correct answer is "The superclass or any of its subclasses". In polymorphism, a reference variable of the superclass can refer to an object of the superclass itself or any of its subclasses. This is because a subclass object is a superclass object, but with additional capabilities or properties.
Similar Questions
Test time left: 12:35Select the correct answerIn polymorphism, a reference variable of the superclass can refer to the object of which classes?OptionsOnly the subclassOnly the superclassAny classThe superclass or any of its subclasses
Polymorphism allows a subclass to be substituted with a superclass. True or False?
Polymorphism is when a subclass can modify the behavior of its superclass.
Which of the following is a representation of a subclass inheriting data members of its superclass?Optionsclass SubClass extends SuperClass {}class SubClass { extends SuperClass } class SubClass: SuperClass {}class SubClass inherits SuperClass {}
Polymorphism means ________. Group of answer choicesthat data fields should be declared privatethat a class can extend another classthat a variable of supertype can refer to a subtype objectthat a class can contain another class
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