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Polymorphism allows a subclass to be substituted with a superclass. True or False?

Question

Polymorphism allows a subclass to be substituted with a superclass. True or False?

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Solution

True. Polymorphism in object-oriented programming allows a subclass to be substituted for a superclass. This means that methods of a superclass will be able to work with objects of a subclass without any modifications.

Similar Questions

Polymorphism is when a subclass can modify the behavior of its superclass.

Which statement is true regarding polymorphism? a.An overridden method can be less restrictive than the superclass method.b.An overridden method can be more restrictive than the superclass method.c.Overloaded methods cannot change the return type.d.Constructors can be overridden.

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

Which statement is true regarding polymorphism?OptionsAn overridden method can be more restrictive than the superclass methodAn overridden method can be less restrictive than the superclass methodOverloaded methods cannot change the return typeConstructors can be overridden

Which of the following statements is false? Group of answer choicesYou can always pass an instance of a subclass to a parameter of its superclass type. This feature is known as polymorphism.The compiler finds a matching method according to parameter type, number of parameters, and order of the parameters at compile time.A method may be implemented in several subclasses. The Java Virtual Machine dynamically binds the implementation of the method at runtime.Dynamic binding can apply to static methods.Dynamic binding can apply to instance methods.

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