By now, we appreciate the power of run-time polymorphism and reuse of code already writ-
ten. The objects we create are automatically treated as subclasses for the class called Object in
java.lang package. What is the advantage gained by this?
The Object class contains several useful static methods that can be used directly without
creating object. Now that all object user creates are treated as subclasses, all user-created
objects will get access to the static method in meta class Object in package java.lang. The
methods with final specifier cannot be overridden. Methods supported by the object class are
given ...
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