Java Chapter 7 Review Questions and Answers Already Passed

Java Chapter 7 Review Questions and Answers Already Passed Can a class be both a superclass and a subclass at the same time? Yes, a class can extend another class while being extended itself. What is polymorphism? Polymorphism allows a subclass to be treated as an instance of its superclass, enabling dynamic method invocation. How does Java achieve runtime polymorphism? Through method overriding and dynamic method dispatch. What is method overloading? Defining multiple methods in the same class with the same name but different parameters. Can constructors be inherited? No, constructors are not inherited, but a subclass can call a superclass constructor using `super()`. 2 What is inheritance in Java? Inheritance is a mechanism that allows a class to acquire the properties and methods of another class. How do you declare a subclass in Java? By using the `extends` keyword followed by the name of the superclass. Can a subclass override a superclass method? Yes, a subclass can provide its own implementation of a method using the same signature. What is method overriding? It is the process of redefining a method in a subclass that already exists in the superclass. What annotation is used to indicate that a method is overriding another method? The `@Override` annotation. Can a subclass inherit private members from a superclass? 3 No, private members are not accessible in the subclass but can be accessed through public or protected methods. What is the purpose of the `super` keyword in Java? It is used to refer to the superclass, call its methods, or