Core Java · interview question
What happens if you attempt to call a method that is not defined in the superclass using a superclass reference pointing to a subclass object?
Multiple choiceMediumchapter-5-curatedpremiumcore-javaupcasting-and-dynamic-dispatch
Answer and explanation
Correct answer
D. A compile-time error occurs.
Why
In Java, if a superclass reference is used to call a method that is not defined in the superclass, a compile-time error occurs. The compiler checks the reference type for method visibility, not the object type.
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