Expert Answers to Oracle Exam 1z0-819 Questions

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Java SE Java SE 11 Developer

Java SE 11 Developer

Last Update May 8, 2024
Total Questions : 257

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Questions 4

Given:

Questions 4

What is the result?

Options:

Orange Juice

The compilation fails.

Orange Juice Apple Pie Lemmon Ice Raspberry Tart

The program prints nothing.

Discussion 0

Questions 5

Why does this compilation fail?

Options:

The method Y. print (object) does not call the method super.print (object)

The method x. print (object) is not accessible to Y.

In method x. print (Collection), system. Out :: prints is an invalid Java identifier.

The method print (object) and the method print (object…) are duplicates of each other.

The method Y. print (object…) cannot override the final method x.print (object….).

Discussion 0

Questions 6

Given:

Questions 6

You want to implement the java.io.Serializable interface to the MyPersistenceData class.

Which method should be overridden?

Options:

the readExternal method

nothing

the readExternal and writeExternal method

the writeExternal method

Discussion 0

Questions 7

Given the code fragment:

Questions 7

What is the result?

Options:

-1

-3

Discussion 0

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