How to Prepare for Oracle Java SE 11 Programmer II [1Z0-816] Exam

How to Prepare for Oracle Java SE 11 Programmer II [1Z0-816] Exam Make 1Z0-816 Certification Exam Easy with DBexam.com

1Z0-816 Exam Detail Exam Code

1Z0-816

Full Exam Name

Oracle Java SE 11 Programmer II

Number of Questions

80

Practice Exams

1Z0-816 Online Practice Exam

Passing Score

63%

Time Limit

180 minutes

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How to Prepare for 1Z0-816 •

Perform enough practice with Oracle system with related Oracle 1Z0-816 certification subjects

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Identify the key configuration, workflow and data flow

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Understand the all Syllabus Topics of Exam which are Given in Description.

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Identify your weak areas from practice test and do more practice with system

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Repeat practice exams and try to score 100% on www.DBexam.com

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Oracle 1Z0-816 Exam Questions

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Q 1) Which two statements set the default locale used for formatting numbers, currency, and percentages?

(Choose two.)

Option

a) Locale.setDefault(Locale.Category.FORMAT, “zh-CN”); b) Locale.setDefault(Locale.Category.FORMAT, Locale.CANADA_FRENCH); c) Locale.setDefault(Locale.SIMPLIFIED_CHINESE); d) Locale.setDefault(“en_CA”); e) Locale.setDefault(“es”, Locale.US); Enjoy success with DBexam.com

ANSWER b) Locale.setDefault(Locale.Category.FORMAT, Locale.CANADA_FRENCH); d) Locale.setDefault(“en_CA”);

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Q 2) Which interface in the java.util.function package can return a primitive type?

Option a) ToDoubleFunction b) Supplier

c) BiFunction d) LongConsumer

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ANSWER a) ToDoubleFunction

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Q 3) var numbers = List.of(0,1,2,3,4,5,6,7,8,9); You want to calculate the average of numbers. Which two codes will accomplish this?

(Choose two.)

Option a) double avg = numbers.stream().parallel().averagingDouble(a −> a);

b) double avg = numbers.parallelStream().mapToInt (m −> m).average().getAsDouble(); c) double avg = numbers.stream().mapToInt (i −> i).average().parallel(); d) double avg = numbers.stream().average().getAsDouble(); Enjoy success with DBexam.com

ANSWER b) double avg = numbers.parallelStream().mapToInt (m −> m).average().getAsDouble();

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Q 4) Which two are guidelines for preventing denial of service attacks?

Option a) Release resources in all cases.

b) Resource limit checks should not suffer from numeric overflow. c) Purge sensitive information from exceptions. d) Validate file formats before processing untrusted files.

e) Make public static fields final. f) Use mutable classes whenever possible.

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ANSWER a) Release resources in all cases. b) Resource limit checks should not suffer from numeric overflow.

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Q 5) Which code fragment does a service use to load the service provider with a Print interface?

Option a) private Print print = com.service.Provider.getInstance(); b) private java.util.ServiceLoader loader = ServiceLoader.load(Print.class);

c) private java.util.ServiceLoader loader = new java.util.ServiceLoader<>(); d) private Print print = new com.service.Provider.PrintImpl(); Enjoy success with DBexam.com

ANSWER b) private java.util.ServiceLoader loader = ServiceLoader.load(Print.class);

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