Based on Official Syllabus Topics of Actual Oracle 1z1-819 Exam [Q91-Q112]

Q91. Given:

What is the result?

Q92. Given the code fragment:
var pool = Executors.newFixedThreadPool(5);
Future outcome = pool.submit(() > 1);
Which type of lambda expression is passed into submit()?

Q93. Given:

Which three are correct? (Choose three.)

Q94. Given:

Which two lines inserted in line 1 will allow this code to compile? (Choose two.)

Q95. Which two interfaces are considered to be functional interfaces? (Choose two.)
@FunctionalInterface

Q96. Given:

Why does D cause a compilation error?

Q97. Given the code fragment:

What is the result?

Q98. Given:

executed with this command:
java Main one two three
What is the result?

Q99. A company has an existing sales application using a Java 8 jar file containing packages:
com.company.customer;
com.company.customer.orders;
com.company.customer.info;
com.company.sales;
com.company.sales.leads;
com.company.sales.closed;
com.company.orders;
com.company.orders.pending;
com.company.orders.shipped.
To modularize this jar file into three modules, customer, sales, and orders, which module-info.java would be correct?
A)

B)

C)

D)

Q100. Assume ds is a DataSource and the EMP table is defined appropriately.

What does executing this code fragment do?

Q101. Given:

What is the result?

Q102. Given the content:

What Is the result?
A)

B)

C)

D)

E)
User Username

Q103. Given:

Which two are correct? (Choose two.)

Q104. Given:

What is the output?

Q105. Given the code fragment:

What is the result?

Q106. Given:
Automobile.java

Car.java

What must you do so that the code prints 4?

Q107. Given the code fragment:
Path currentFile = Paths.get(“/scratch/exam/temp.txt”);
Path outputFile = Paths get(“/scratch/exam/new.txt”);
Path directory = Paths.get(“/scratch/”);
Files.copy(currentFile, outputFile);
Files.copy(outputFile, directory);
Files.delete (outputFile);
The /scratch/exam/temp.txt file exists. The /scratch/exam/new.txt and /scratch/new.txt files do not exist.
What is the result?

Q108. Given:

You want to use the myResource class in a try-with-resources statement. Which change will accomplish this?

Q109. Given:
public class X {
}
and
public final class Y extends X {
}
What is the result of compiling these two classes?

Q110. Which two are successful examples of autoboxing? (Choose two.)

Q111. Given:
List<String> longlist = List.of(“Hello”,”World”,”Beat”);
List<String> shortlist = new ArrayList<>();
Which code fragment correctly forms a short list of words containing the letter “e”?

Q112. Given:
Automobile.java

Car.java

What must you do so that the code prints 4?