reference is used to refer to a child class object. class Main ( public static void main(String(] args) { Animal al: al - new Animal (); a1. displayInfo (); al - nev Dog () ; al. displayinfo (); Figure 2. Polymorphism (a) Create a class name Animal to produce a method named displayInfo (). Define the method by displaying info that represent the class name.
reference is used to refer to a child class object. class Main ( public static void main(String(] args) { Animal al: al - new Animal (); a1. displayInfo (); al - nev Dog () ; al. displayinfo (); Figure 2. Polymorphism (a) Create a class name Animal to produce a method named displayInfo (). Define the method by displaying info that represent the class name.
Chapter11: Advanced Inheritance Concepts
Section: Chapter Questions
Problem 14RQ
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