How to Pass the Oracle 1z0-808 Exam: Comprehensive Java SE 8 Programmer I Guide and Tips

You are asked to develop a program for a shopping application, and you are given this information:

• The application must contain the classes Toy, EduToy, and ConsToy. The Toy class is the superclass of the other two classes.
• The int calculatePrice (Toy t) method calculates the price of a toy.
• The void printToy (Toy t) method prints the details of a toy.

Which definition of the Toy class adds a valid layer of abstraction to the class hierarchy?

Given:

What is the result? A. 0:0

100:0

B.null:0

100:0

C.0:0

100:200

D.null:null 100:null

Given:

And given the commands:

What is the result?

Given the code fragment:

Which option can replace xxx to enable the code to print 135?

Given the code fragment:

What is the result?

Given the code fragment:

Which two modifications, made independently, enable the code to compile? (Choose two.)

Given:

What is the result?