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Free Oracle 1Z0-819 Exam Actual Questions

Question No. 1

Given:

What is the result?

Anothing

BIt fails to compile.

DA java.lang.IllegalArgumentException is thrown.

E10

Show Answer

Correct Answer: B

Question No. 2

Given:

Which two changes need to be made to make this class compile? (Choose two.)

AChange Line 1 to an abstract class:public abstract class API {

BChange Line 2 access modifier to protected:protected void checkValue(Object value)throws IllegalArgumentException;

CChange Line 1 to a class:public class API {

DChange Line 1 to extend java.lang.AutoCloseable:public interface API extends AutoCloseable {

EChange Line 2 to an abstract method:public abstract void checkValue(Object value)throws IllegalArgumentException;

Show Answer

Correct Answer: C, E

Question No. 3

Which two modules include APIs in the Java SE Specification? (Choose two.)

Ajava.logging

Bjava.desktop

Cjavafx

Djdk.httpserver

Ejdk.jartool

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Correct Answer: A, D

Question No. 4

Given:

What is the output?

A300

BException

C200

D100

Show Answer

Correct Answer: A

Question No. 5

Which two statements are true about the modular JDK? (Choose two.)

AThe foundational APIs of the Java SE Platform are found in the java.base module.

BAn application must be structured as modules in order to run on the modular JDK.

CIt is possible but undesirable to configure modules' exports from the command line.

DAPIs are deprecated more aggressively because the JDK has been modularized.

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Correct Answer: A, C