Online Access Free Oracle.1Z0-819.v2022-11-01.q181 Practice Test (Page 4)

1Z0-819 Exam Question 11

Given:

What is the result?

A.watermelonorangelemongrapeapricotapple

B.nothing

C.appleapricotgrapelemonorangewatermelon

D.appleorangegrapelemonapricotwatermelon

1Z0-819 Exam Question 12

Given:

Which is true?

A.The code does not compile.

B.The code prints 25.

C.The code throws an exception at runtime.

D.The code compiles but does not print any result.

1Z0-819 Exam Question 13

Which describes an aspect of Java that contributes to high performance?

A.Java prioritizes garbage collection.

B.Java automatically parallelizes code execution.

C.Java monitors and optimizes code that is frequently executed.

D.Java has a library of built-in functions that can be used to enable pipeline burst execution.

1Z0-819 Exam Question 14

You are working on a functional bug in a tool used by your development organization. In your investigation, you find that the tool is executed with a security policy file containing this grant.

What action should you take?

A.Remove the grant because it is excessive.

B.Nothing, because it is an internal tool and not exposed to the public.

C.Nothing, because listing just the required permissions would be an ongoing maintenance challenge.

D.Nothing, because it is not related to the bug you are investigating.

E.File a security bug against the tool referencing the excessive permission granted.

1Z0-819 Exam Question 15

Given:

When is the readObject method called?

A.after this object is deserialized

B.before this object Is serialized

C.The method is never called.

D.before this object is deserialized

E.after this object is serialized

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1Z0-819 Exam Question 11

1Z0-819 Exam Question 12

1Z0-819 Exam Question 13

1Z0-819 Exam Question 14

1Z0-819 Exam Question 15

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