1Z0-819 Discount Code - 1Z0-819 Test Study Guide

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Oracle Java SE 11 Developer Sample Questions (Q233-Q238):

NEW QUESTION # 233
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.)

A. double avg = numbers.stream().average().getAsDouble();
B. double avg = numbers.stream().collect(Collectors.averagingDouble(n > n));
C. double avg = numbers.stream().parallel().averagingDouble(a > a);
D. double avg = numbers.stream().mapToInt (i > i).average().parallel();
E. double avg = numbers.parallelStream().mapToInt (m > m).average().getAsDouble ();

Answer: A,E

Explanation:

NEW QUESTION # 234
Given:

What is the result?

A. Good Morning, Potter
B. Good Morning, Harry
C. Good Night, Harry
D. Good Night, Potter

Answer: D

Explanation:

NEW QUESTION # 235
Given:

and:

Which code, when inserted on line 10, prints the number of unique localities from the roster list?

A. .filter(Employee::getLocality)
.distinct()
.count();
B. .map(Employee::getLocality)
.distinct()
.count();
C. map(e -> e.getLocality())
.count();
D. .map(e -> e.getLocality())
.collect(Collectors.toSet())
.count();

Answer: A

NEW QUESTION # 236
Given the contents:
MessageBundle.properties file:
message=Hello
MessageBundle_en.properties file:
message=Hello (en)
MessageBundle_US.properties file:
message=Hello (US)
MessageBundle_en_US.properties file:
message=Hello (en_US)
MessageBundle_fr_FR.properties file:
message=Bonjour
and the code fragment:
Locale.setDefault(Locale.FRANCE);
Locale currentLocale = new Locale.Builder().setLanguage("en").build();
ResourceBundle messages = ResourceBundle.getBundle("MessageBundle", currentLocale); System.out. println(messages.getString("message")); Which file will display the content on executing the code fragment?

A. MessageBundle_en.properties
B. MessageBundle.properties
C. MessageBundle_fr_FR.properties
D. MessageBundle_en_US.properties
E. MessageBundle_US.properties

Answer: C

NEW QUESTION # 237
Given:

Which option should you choose to enable the code to print Something happened?

A. Add extends GeneralException on line 1.
Add extends Exception on line 2.
B. Add extends Exception on line 1.
Add extends Exception on line 2.
C. Add extends Exception on line 1.
Add extends GeneralException on line 2.
D. Add extends SpecificException on line 1.
Add extends GeneralException on line 2.

Answer: C

Explanation:

NEW QUESTION # 238
......

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1Z0-819 Discount Code - 1Z0-819 Test Study Guide

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Oracle Java SE 11 Developer Sample Questions (Q233-Q238):

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