Free Oracle 1Z0-808 Exam Dumps

MultipleChoice

Which three statements describe the object-oriented features of the Java language?

MultipleChoice

You are developing a banking module. You have developed a class named ccMask that has a maskcc method.

Given the code fragment:

You must ensure that the maskcc method returns a string that hides all digits of the credit card number except the four last digits (and the hyphens that separate each group of four digits).

Which two code fragments should you use at line n1, independently, to achieve this requirement?

MultipleChoice

Given the code fragment:

Which three lines fail to compile?

MultipleChoice

Given the following code for a Planet object:

What is the output?

MultipleChoice

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

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

MultipleChoice

Given the code fragment:

and the requirements of the application:

It must display the menu.

It must print the option selected.

It must continue its execution till it reads '0'.

Which code fragment can be used to meet the requirements?

MultipleChoice

Which two initialization statements are valid? (Choose two.)

MultipleChoice

Examine the given definitions:

and the code fragment:

Which statement is true about the implementation of Object-Oriented Programming concepts in the given code?

MultipleChoice

Which two features can be implemented in a Java application by encapsulating the entity classes used? (Choose two.)

MultipleChoice

Given:

And:

What is the result?