write a java application that demonstrates inheritance. Your superclass should be called Smartphone with the following attributes touchscreen, operating system, camera (number of pixels). Use the set and get methods to initial instant variables. The superclass should have a display method that displaces the details of the phone. Write two subclasses called nokia and iPhone. Think of attributes which are particular to each subclass and add them to each subclass. Override the display method of the superclass to include additional attributes of each subclass. Write another class called Tester that demonstrates inheritance, the application should create two objects; one for iPhone the other for Samsung and displays details.

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class Smartphone private boolean touchscreen private String operatingSystem private int cameraPixels ... View the full answer