Q. What is polymorphism in Java? .
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(A)
It is when a single super class has many subclasses.
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(B)
It is when a single variable is used with several different types of related objects.
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(C)
It is when a program uses several different types of objects, each with its own variable.
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(D)
It is when a class has several methods with the same name but different parameter types.
✅ Correct Answer: (D)
It is when a class has several methods with the same name but different parameter types.