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AP Computer Science A/Unit 9: Inheritance
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Java Object Class In The Inheritance Hierarchy
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What is the role of the Object class in Java’s inheritance hierarchy?

A

It is used to store object references

B

It only provides graphical user interface methods

C

It is a class that must be explicitly extended by all user-defined classes

D

It is the superclass of all classes, providing base methods like toString() and equals()

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