Write Java Code based on the following UML Class Diagram. Note that class Animal is an abstract class, and its methods are also abstract. Also, write a test code, and invoke the methods all these classes from the main() method. T Lion +legs (): int +feed (f: Food) Animal +legs (): int +feed (f: Food) I I Snake +legs (): int +feed (f: Food) I Bird +legs (): int +feed (f: Food)