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1z0-819 Exam Dumps - Oracle Java SE Questions and Answers

Question # 24

Which module-info.java is correct for a service provider for a print service defined in the PrintServiceAPI

module?

Options:

A.

module PrintServiceProvider {

requires PrintServiceAPI;

exports org.printservice.spi;

}

B.

module PrintServiceProvider {

requires PrintServiceAPI;

provides org.printservice.spi.Print with

com.provider.PrintService;

}

C.

module PrintServiceProvider {

requires PrintServiceAPI;

uses com.provider.PrintService;

}

D.

module PrintServiceProvider {

requires PrintServiceAPI;

exports org.printservice.spi.Print with

D18912E1457D5D1DDCBD40AB3BF70D5D

com.provider.PrintService;

}

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Question # 25

Given:

What is the result?

Options:

A.

is it 1

B.

An IndexOutOfBoundsException is thrown at runtime.

C.

is it 0

D.

this is it 2

E.

this is it 3

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Question # 26

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)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Question # 27

Given:

What is the result?

Options:

A.

[A, B, C]

followed by an exception thrown on line 11.

B.

[A, B, C]

[A, B]

C.

[A, B, C]

[A, B, C]

D.

On line 9, an exception is thrown at run time.

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Question # 28

Given the code fragment:

What is the result?

Options:

A.

23

B.

12

C.

123

D.

13

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Question # 29

Given:

What is the result?

Options:

A.

A ClassCastException is thrown at runtime.

B.

AnotherClass#methodA()AnotherClass#methodA()

C.

The compilation fails.

D.

SomeClass#methodA()AnotherClass#methodA()

E.

AnotherClass#methodA()SomeClass#methodA()

F.

SomeClass#methodA()SomeClass#methodA()

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Question # 30

Given:

What needs to change to make these classes compile and still handle all types of Interface Worker?

Options:

A.

Replace Line 3 with public void addProcess (Worker w) {.

B.

Replace Line 1 with public class Main extends Thread {.

C.

Replace Line 2 with private List processes = new ArrayList<>();.

D.

Replace Line 3 with public void addProcess(T w) {.

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Question # 31

Given:

Which two are correct? (Choose two.)

Options:

A.

The output will be exactly 2 1 3 4 5.

B.

The program prints 1 4 2 3, but the order is unpredictable.

C.

Replacing forEach() with forEachOrdered(), the program prints 2 1 3 4 5, but the order is unpredictable.

D.

Replacing forEach() with forEachOrdered(), the program prints 1 2 3 4 5.

E.

Replacing forEach() with forEachOrdered(), the program prints 2 1 3 4 5.

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Question # 32

Given:

What is the result?

Options:

A.

2134

B.

2143

C.

214

D.

234

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Question # 33

Given the Customer table structure:

• ID Number Primary Key

• NAME Text Nullable

Given code fragment:

Which statement inserted on line 14 sets NAME column to a NULL value?

Options:

A.

Stmt.setNull(2, java,sql. Types, VARCHAR);

B.

Stmt.setNull(2 string, class);

C.

Stmt.setNull(2, null);

D.

Stmt.setNull(2, java.lang, string);

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Exam Code: 1z0-819
Exam Name: Java SE 11 Developer
Last Update: Feb 23, 2025
Questions: 296
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