Java - Spoken Tutorials - Assignments
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Abstract Classes

(a) Create an abstract class Vehicle which contains an abstract method run()

(b) Create a subclass Car which extends the Vehicle class and implements the run method that prints "Car is running on 4 wheels"

(c) Also create another subclass Bike which again extends the Vehicle class and implements the run method that prints "Bike is running on 2 wheels"

(d) Finally create a Demo class containing the main method to verify the results