The object superclass is the root class in Java and many other object-oriented programming languages. All classes are derived from this superclass either directly or indirectly.
Imagine the object superclass as the ultimate ancestor in your family tree. Every person in your family can trace their lineage back to this one individual, who serves as the foundation for your entire family tree structure.
Subclass: A subclass is a class that inherits properties and behaviors from another class (superclass).
Inheritance: Inheritance is an object-oriented concept where one class (subclass) derives properties and behaviors from another class (superclass).
Polymorphism: Polymorphism allows objects of different classes to be treated as objects of a common superclass, enabling flexibility and code reusability.
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