One of the Mock Exam says: "Object class is not immutable" I think it's wrong, there are no methods to change the state of an Object instance. The Math class is not immutable as it is not allowed to instantiate an object at all. I think it is correct. Can anybody explain to correct me? Thanks!
if you want to make an object immutable there are two things 1. there must be no method which chage the object 2. the class should be made final otherwise you can derive from that class and change the object so object is NOT immutable all the time we change Objects dont we? ------------------ KS
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