Question: Write a Java program where you can create a base class with an abstract hello() method that is overriden in a derived class. The overridden

Write a Java program where you can create a base class with an abstract hello() method that is overriden in a derived class. The overridden part of the method shall print the value of a variable a with any non zero value defined in the derived class. In the base class constructor , make a call to this method . In main() , create an object of the derived type and then call it's hello() method.

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