Free Practice Oracle 1Z0-819 Exam Questions 2025

Stay ahead with 100% Free Java SE 11 Developer 1Z0-819 Dumps Practice Questions

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Total 515 Questions | Updated On: Apr 09, 2021

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Question 1

Given the code fragment:

What is the result?

A : 0

B : The program prints nothing.

C : It prints 1 in infinite loop.

D : 1

E : 0

F : 1

Answer: B

Question 2

Given:

It is required that if p instanceof Pair then p.isValid() returns true. Which is the smallest set of visibility changes to insure this requirement is met?

A : setLeft and setRight must be protected.

B : left and right must be private.

C : isValid must be public.

D : left, right, setLeft, and setRight must be private.

Answer: B

Question 3

Which two statements are true about a class that is marked @Deprecated?

A : There Is always another class that can be used Instead of the deprecated class.

B : Using the class will cause the Java compiler to give a warning.

C : The class cannot be extended.

D : The author of the class wants to discourage people from using the class in any way.

E : Using the class Is guaranteed to cause errors at runtime.

Answer: B,D

Question 4

Given this requirement: Module vehicle depends on module part and makes its com.vehicle package available for all other modules. Which module-info.java declaration meets the requirement?

A :

B :

C :

D :

Answer: A

Question 5

Which module-info.java is correct for a service provider for a print service defined in the PrintServiceAPI module?

A : module PrintServiceProvider {requires PrintServiceAPI;exports org.printservice.spi;}

B : module PrintServiceProvider {requires PrintServiceAPI;provides org.printservice.spi.Print withcom.provider.PrintService;}

C : module PrintServiceProvider {requires PrintServiceAPI;uses com.provider.PrintService;}

D : module PrintServiceProvider {requires PrintServiceAPI;exports org.printservice.spi.Print withD18912E1457D5D1DDCBD40AB3BF70D5Dcom.provider.PrintService;}

Answer: A

Page: 1 / 103

Total 515 Questions | Updated On: Apr 09, 2021

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