Every class becomes subclass of the OBJECT Class , but if we create a class (say A ) and if there is another class (say B) and if B extends A ........How can it become the sub class of both A and OBJECT ????

sudhu5555
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Mar 30th, 2006
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Ramakanta

Mar 31st, 2006

very good site

HSridhar

Apr 3rd, 2006

Generally every class is a sub class of Object class.
This is because JVM requires certain linking and loading of classes during runtime whenever an object instance is created. Many of such native methods are encapsulated in Object class. More over use of string concatination with an object instance reqires a code in tostring() method which is provided in Object class
Java does not support mutliple inheritance but an instance of base class can have a reference of subclass in inheritance hierarchy.
So A become the immediate parent of B but Object is ansector class of this hierarchy group hence we say B is a sub class of both A and Object class.