1z0-816 sample questions

Question 1

Which is a proper JDBC URL?

Accepted Answer

dbc:mysql://localhost:3306/database

Answer

dbe.mysql.com://localhost:3306/database

Answer

http://localhost.mysql.com:3306/database

Answer

http://localhost mysql.jdbc:3306/database

Question 2

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

Accepted Answer

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

Answer

private Print print = com.service.Provider.getlnstance();

Answer

private java.util.ServiceLoader loader - new java.util.ServiceLoader ();

Answer

private Print print = new com.service.Provider.Printlmpl();

Question 3

Given: You want to obtain the Stream object on reading the file. Which code inserted on line 1 will accomplish this?

Accepted Answer

var lines = Files.readAIILines(Paths.get(INPUT_FILE_NAME));

Answer

var lines = Files.lines(Paths.get(INPUT_FILE_NAME));

Answer

stream lines = Files.readAIILines(Paths.get(INPUT_FILE_NAME));

Answer

Stream lines = Files.lines(INPUT_FILE_NAME);

Question 4

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

Accepted Answer

Add extends Exception on line 1. Add extends GeneralException on line 2.

Answer

Add extends GeneralException on line 1. Add extends Exception on line 2.

Answer

Add extends SpecificException on line 1. Add extends GeneralException on line 2.

Answer

Add extends Exception on line 1. Add extends Exception on line 2.

Question 5

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?

Accepted Answer

MessageBundle_fr_FR.properties

Answer

MessageBundle_en_US.properties

Answer

MessageBundle_en.properties

Answer

MessageBundle_US.properties

Answer

MessageBundle.properties

Question 6

Which three annotation uses are valid? (Choose three.)

Accepted Answer

Function func = (@NonNull x) -> x.toUpperCase();

Accepted Answer

Function func = (var @NonNull x) -> x.toUpperCaseQ;

Accepted Answer

Answer

Answer

Function func = (@NonNull var x) -> x.toUpperCase();

Answer

var myString = (@NonNull String) str;

1z0-816 Sample Questions & Answers

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1z0-816 Sample Questions & Answers

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