Oracle Exam 1Z0-808 Topic 4 Question 109 Discussion

Actual exam question for Oracle's 1Z0-808 exam

Question #: 109
Topic #: 4

Given these requirements:

Bus and Boat are Vehicle type classes.

The start() and stop() methods perform common operations across the Vehicle class type.

The ride() method performs a unique operations for each type of Vehicle.

Which set of actions meets the requirements with optimized code?

A1. Create an abstract class Vehicle by defining start() and stop() methods, and declaring the ride()
abstract method.
2. Create Bus and Boat classes by inheriting the Vehicle class and overriding the ride() method.

B1. Create an interface Vehicle by defining start() and stop() methods, and declaring the ride()
abstract method.
2. Create Bus and Boat classes by implementing the Vehicle class.

C1. Create an abstract class Vehicle by declaring stop(), start(), and ride() abstract methods.
2. Create Bus and Boat classes by inheriting the Vehicle class and overriding all the methods.

D1. Create an interface Vehicle by defining default stop(), start(), and ride() methods.
2. Create Bus and Boat classes by implementing the Vehicle interface and overriding the ride()
method.

Show Suggested Answer

Suggested Answer: B

by Cristina at Dec 05, 2024, 09:06 AM

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Bok

4 days ago

I disagree, I believe option B is more optimized as it uses an interface which allows for flexibility in implementing the methods.

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Latanya

5 days ago

I think option A is the best choice because it uses an abstract class for common operations and allows for unique operations in the subclasses.

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