Flexible nature of java.lang.Object
We all love the mechanism of python, where we don’t have to bother about data types of the variables (don’t we!)
Interestingly we have one class in Java too, which is pretty similar !
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Yes, you guessed it right! It’s java.lang.Object
java.lang.Character java.lang.Integer java.lang.String java.lang.Double java.lang.Boolean
Such a behaviour can be attributed to the fact that java.lang.Object is super class to all other classes. Hence, a reference variable of type Object can be practically used to refer objects of any class. So, we could also assign y = new InputStreamReader(System.in) in the above code!
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