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|Java - Interview Questions and Answers|
|Ans. 1. Default definition for some of the methods , like equals, hashcode etc that gets carried to all objects even if you don't define anything. But that default definition is kind of like assigning 0 to integer, it just provide a safe state , nothing much for comparison.|
2. Places where you have no idea about what object you may receive and just want to perform out of 8 basic methods of object class, something like printing their string representation ( defined by their toString method ), or equality ( using their equals method )
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|Like Discuss Correct / Improve  object class|
|Difference between == and .equals() ?|
|What are the methods of Object Class ?|
|Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object?|
|Can we override wait() or notify() methods?|
|How you can check Object is created or not in case of Singleton using Object class method ?|
|Why wait(), notify(), notifyAll() methods are in Object class instead of Thread class?|