1. Object Class.
2. Members of Object Classes and Uses.
3. Reusing the code using interfaces/Avoiding re-writing the code using interfaces/Giving access to specific codes.
1. Override two string methods in employee class to return something meaningful, Create an object and print the reference directory.
2. List important methods present in the object class by going through the source code of object class.
3. What exactly the function of Hash Code in the object class mean?