Java Inheritance

1. Which OOP features where one class inherits all the properties and behaviors of another class?

• Polymorphism

• Inheritance

• Abstraction

• Encapsulation

2. What do you call a class that inherits the properties of another class?

• superclass

• subsetclass

• subclass

• relativeclass

3. Which of these keywords must be used to inherit a class?

• super

• this

• void

• extends

What is method overriding in Java?

• Changing the value of a method's parameters in the subclass.

• Providing a specific implementation of a method that is already provided by its superclass.

• Removing a method from the superclass in the subclass.

• Calling a method from the superclass in the subclass.

Which of the following is a correct way to call a superclass method from a subclass in Java?

• super.methodName();

• this.methodName();

• superclass.methodName();

• methodName();

Which of the following is NOT a rule for method overriding in Java?

• The argument list must exactly match that of the overridden method.

• The return type must be the same or a subtype of the return type declared in the original overridden method.

• A method declared final cannot be overridden.

• The overriding method must always be static if the overridden method is static.

What happens if the `@Override` annotation is used with a method that does not override a superclass method?

• The program will compile without any errors.

• The program will throw a runtime exception.

• The compiler will generate an error.

• The method will be ignored during execution.

In Java, which keyword is used to refer to the parent class of a class?

• parent

• super

• this

• base

What access modifier should be used for a superclass method to ensure that it can be overridden by any subclass in any package?

• private

• protected

• public

• default

5. Which of these syntaxes is the correct way of how the class Dog  inherit from the class Animal?

• class Dog + class Animal {}

• class Dog inherits class Animal {}

• class Dog extends Animal {}

• class Dog extends class Animal {}