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2024 Oracle 1Z0-819 Exam Prep: Practice Tests & Study Materials, Java SE 11 Developer | SPOTO

Welcome to our 2024 Oracle 1Z0-819 Exam Prep: Practice Tests & Study Materials, specifically designed for Java SE 11 Developers. Our platform offers a comprehensive array of resources, including practice tests, free tests, exam practice materials, online exam questions, sample questions, exam dumps, mock exams, exam questions and answers, and other exam materials. Candidates preparing for this exam demonstrate a thorough and broad knowledge of the Java programming language, proficient coding practices, and adept utilization of new features integrated into Java SE 11. Whether you're aiming to enhance your Java skills or seeking validation of your expertise as a Java SE 11 Developer, our latest practice tests are invaluable tools to help you succeed in passing the certification exam. With our meticulously curated study materials, you'll be well-prepared to tackle the exam confidently and achieve your certification goals.

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Question #1
What is the result?
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
View answer
Correct Answer: D

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Question #2
Which two statements are true if the method is added to Bar? (Choose two.)
A. public Collection foo(Collection arg) {
B. public Collection foo(Stream arg) {
C. public List foo(Collection arg) {
D. public Collection foo(Collection arg) {
E. public Collection bar(Collection arg) {
F. public Iterable foo(Collection arg) {
View answer
Correct Answer: F
Question #3
Which two statements are true about the modular JDK? (Choose two.)
A. The foundational APIs of the Java SE Platform are found in the java
B. An application must be structured as modules in order to run on the modular JDK
C. It is possible but undesirable to configure modules’ exports from the command line
D. APIs are deprecated more aggressively because the JDK has been modularized
View answer
Correct Answer: B
Question #4
Which statement about access modifiers is correct?
A. An instance variable can be declared with the static modifier
B. A local variable can be declared with the final modifier
C. An abstract method can be declared with the private modifier
D. An inner class cannot be declared with the public modifier
E. An interface can be declared with the protected modifier
View answer
Correct Answer: E
Question #5
Which two statements can be added at line 1 in Bar to successfully compile it? (Choose two.)
A. public List foo(Set m) {
B. public ArrayList foo(Set m) {
C. public List foo(TreeSet m) {
D. public List foo(Set m) {
E. public List foo(Set m) {
F. public ArrayList foo(Set m) {
View answer
Correct Answer: D
Question #6
What is the result?
A. It throws a runtime exception
B. Value of Euler = 2
C. The code does not compile
D. Value of Euler = “2
View answer
Correct Answer: AC
Question #7
jdeps -jdkinternals C:\workspace4\SimpleSecurity\jar\classes.jar Which describes the expected output?
A. jdeps lists the module dependencies and the package names of all referenced JDK internal API
B. If any are found, the suggested replacements are output in the console
C. jdeps outputs an error message that the -jdkinternals option requires either the -summary or the - verbose options to output to the console
D. The -jdkinternals option analyzes all classes in the
E. The -jdkinternals option analyzes all classes in the
F. If any are found, the results with suggested replacements are output in the console
View answer
Correct Answer: B
Question #8
Which code is correct?
A. Runnable r = “Message” > System
B. Runnable r = () > System
C. Runnable r = () -> {System
D. Runnable r = > System
E. Runnable r = {System
View answer
Correct Answer: AC
Question #9
What is the result?
A. 3 5 3 3
B. 3 3 3 3
C. 3 5 3 5
D. 5 5 3 3
View answer
Correct Answer: C
Question #10
var data = new ArrayList<>(); data.add(“Peter”); data.add(30); data.add(“Market Road”); data.set(1, 25); data.remove(2); data.set(3, 1000L); System.out.print(data); What is the output?
A. [Market Road, 1000]
B. [Peter, 30, Market Road]
C. [Peter, 25, null, 1000]
D. An exception is thrown at run time
View answer
Correct Answer: BD
Question #11
var fruits = List.of(“apple”, “orange”, “banana”, “lemon”); You want to examine the first element that contains the character n. Which statement will accomplish this?
A. String result = fruits
B. fruits
C. Optional result = fruits
D. Optional result = fruits
View answer
Correct Answer: CE
Question #12
What is the result?
A. 5
B. 3
C. 23
D. 25
E. 11
View answer
Correct Answer: B
Question #13
Examine this excerpt from the declaration of the java.se module: What does the transitive modifier mean?
A. Only a module that requires the java
B. Any module that requires the java
C. Any module that attempts to require the java
D. Any module that requires the java
View answer
Correct Answer: C
Question #14
Which three annotation uses are valid? (Choose three.)
A. Function func = (@NonNull x) > x
B. var v = “Hello” + (@Interned) “World”
C. Function func = (var @NonNull x) > x
D. Function func = (@NonNull var x) > x
E. var myString = (@NonNull String) str;
F. var obj = new @Interned MyObject();
View answer
Correct Answer: D
Question #15
What is the result?
A. 9
B. An exception is thrown at runtime
C. 3
D. 6
View answer
Correct Answer: AC
Question #16
Which is a proper JDBC URL?
A. jdbe
B. http://localhost
C. http://localhostmysql
D. jdbc:mysql://localhost:3306/database
View answer
Correct Answer: B
Question #17
/code/a/Test.java containing: and /code/b/Best.java containing: package b; public class Best { } Which is the valid way to generate bytecode for all classes?
A. java /code/a/Test
B. javac –d /code /code/a/Test
C. java /code/a/Test
D. java –cp /code a
E. javac –d /code /code/a/Test
F. javac –d /code /code/a/Test
View answer
Correct Answer: B

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