Oracle 1z0-819 Exam Dumps

Oracle 1z0-819 Exam Dumps

Java SE 11 Developer

257 Questions & Answers with Explanation
Update Date : May 20, 2024
PDF + Test Engine
$65 $95
Test Engine
$55 $85
PDF Only
$45 $75

Money back Guarantee

We just do not compromise with the bright future of our respected customers. PassExam4Sure takes the future of clients quite seriously and we ensure that our 1z0-819 exam dumps get you through the line. If you think that our exam question and answers did not help you much with the exam paper and you failed it somehow, we will happily return all of your invested money with a full 100% refund.

100% Real Questions

We verify and assure the authenticity of Oracle 1z0-819 exam dumps PDFs with 100% real and exam-oriented questions. Our exam questions and answers comprise 100% real exam questions from the latest and most recent exams in which you’re going to appear. So, our majestic library of exam dumps for Oracle 1z0-819 is surely going to push on forward on the path of success.

Security & Privacy

Free for download Oracle 1z0-819 demo papers are available for our customers to verify the authenticity of our legit helpful exam paper samples, and to authenticate what you will be getting from PassExam4Sure. We have tons of visitors daily who simply opt and try this process before making their purchase for Oracle 1z0-819 exam dumps.

Last Week 1z0-819 Exam Results


Customers Passed Oracle 1z0-819 Exam


Average Score In Real 1z0-819 Exam


Questions came from our 1z0-819 dumps.

Authentic 1z0-819 Exam Dumps

Prepare for Oracle 1z0-819 Exam like a Pro

PassExam4Sure is famous for its top-notch services for providing the most helpful, accurate, and up-to-date material for Oracle 1z0-819 exam in form of PDFs. Our 1z0-819 dumps for this particular exam is timely tested for any reviews in the content and if it needs any format changes or addition of new questions as per new exams conducted in recent times. Our highly-qualified professionals assure the guarantee that you will be passing out your exam with at least 85% marks overall. PassExam4Sure Oracle 1z0-819 ProvenDumps is the best possible way to prepare and pass your certification exam.

Easy Access and Friendly UI

PassExam4Sure is your best buddy in providing you with the latest and most accurate material without any hidden charges or pointless scrolling. We value your time and we strive hard to provide you with the best possible formatting of the PDFs with accurate, to the point, and vital information about Oracle 1z0-819. PassExam4Sure is your 24/7 guide partner and our exam material is curated in a way that it will be easily readable on all smartphone devices, tabs, and laptop PCs.

PassExam4Sure - The Undisputed King for Preparing 1z0-819 Exam

We have a sheer focus on providing you with the best course material for Oracle 1z0-819. So that you may prepare your exam like a pro, and get certified within no time. Our practice exam material will give you the necessary confidence you need to sit, relax, and do the exam in a real exam environment. If you truly crave success then simply sign up for PassExam4Sure Oracle 1z0-819 exam material. There are millions of people all over the globe who have completed their certification using PassExam4Sure exam dumps for Oracle 1z0-819.

100% Authentic Oracle 1z0-819 – Study Guide (Update 2024)

Our Oracle 1z0-819 exam questions and answers are reviewed by us on weekly basis. Our team of highly qualified Oracle professionals, who once also cleared the exams using our certification content does all the analysis of our recent exam dumps. The team makes sure that you will be getting the latest and the greatest exam content to practice, and polish your skills the right way. All you got to do now is to practice, practice a lot by taking our demo questions exam, and making sure that you prepare well for the final examination. Oracle 1z0-819 test is going to test you, play with your mind and psychology, and so be prepared for what’s coming. PassExam4Sure is here to help you and guide you in all steps you will be going through in your preparation for glory. Our free downloadable demo content can be checked out if you feel like testing us before investing your hard-earned money. PassExam4Sure guaranteed your success in the Oracle 1z0-819 exam because we have the newest and most authentic exam material that cannot be found anywhere else on the internet.

Oracle 1z0-819 Sample Questions

Question # 1

Which set of commands is necessary to create and run a custom runtime image from Java source files? 

A. java, jdeps
B. javac, jlink
C. jar, jlink
D. javac, jar

Question # 2

Which statement about a functional interface is true? 

A. It must be defined with the public access modifier.
B. It must be annotated with @FunctionalInterface.
C. It is declared with a single abstract method.
D. It is declared with a single default method.
E. It cannot have any private methods and static methods.

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.base module.
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.

Question # 4

Which two statements are true about Java modules? (Choose two.) 

A. Modular jars loaded from --module-path are automatic modules.
B. Any named module can directly access all classes in an automatic module.
C. Classes found in –classpath are part of an unnamed module.
D. Modular jars loaded from –classpath are automatic modules.
E. If a package is defined in both the named module and the unnamed module, then thepackage in the unnamed module is ignored.

Question # 5

Which is the correct order of possible statements in the structure of a Java class file? 

A. class, package, import
B. package, import, class
C. import, package, class
D. package, class, import
E. import, class, package

Question # 6

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

A. String a = “A”;
B. Integer e = 5;
C. Float g = Float.valueOf(null);
D. Double d = 4;
E. Long c = 23L;
F. Float f = 6.0;

Question # 7

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

A. Function func = (@NonNull x) > x.toUpperCase();  
B. var v = “Hello” + (@Interned) “World”
C. Function<String, String> func = (var @NonNull x) > x.toUpperCase();
D. Function<String, String> func = (@NonNull var x) > x.toUpperCase();
E. var myString = (@NonNull String) str;
F. var obj = new @Interned MyObject();

Question # 8

Which interface in the java.util.function package will return a void return type? 

A. Supplier
B. Predicate
C. Function
D. Consumer

Question # 9

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

A. java.lang.Runnable
B. java.util.function.Predicate
C. java.util.function.Function
D. java.util.concurrent.Callable
Answer: D

Question # 10

Given:var fruits = List.of(“apple”, “orange”, “banana”, “lemon”);You want to examine the first element that contains the character n. Which statement willaccomplish this?

A. String result = fruits.stream().filter(f > f.contains(“n”)).findAny();
B. fruits.stream().filter(f > f.contains(“n”)).forEachOrdered(System.out::print);
C. Optional<String> result = fruits.stream().filter(f > f.contains (“n”)).findFirst ();
D. Optional<String> result = fruits.stream().anyMatch(f > f.contains(“n”));

Question # 11

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.

Question # 12

Which code is correct? 

A. Runnable r = “Message” > System.out.println();
B. Runnable r = () > System.out::print;
C. Runnable r = () -> {System.out.println(“Message”);};
D. Runnable r = > System.out.println(“Message”);
E. Runnable r = {System.out.println(“Message”)};

Question # 13

Which two statements independently compile? (Choose two.) 

A. List<? super Short> list = new ArrayList<Number>();
B. List<? super Number> list = new ArrayList<Integer>();
C. List<? extends Number> list = new ArrayList<Byte>();
D. List<? extends Number> list = new ArrayList<Object>();
E. List<? super Float> list = new ArrayList<Double>();

Question # 14

Which two statements set the default locale used for formatting numbers, currency, and percentages? (Choose two.)

A. Locale.setDefault(Locale.Category.FORMAT, “zh-CN”);
B. Locale.setDefault(Locale.Category.FORMAT, Locale.CANADA_FRENCH);
C. Locale.setDefault(Locale.SIMPLIFIED_CHINESE);
D. Locale.setDefault(“en_CA”);
E. Locale.setDefault(“es”, Locale.US);

Question # 15

Given the Person class with age and name along with getter and setter methods, and this code fragment:What will be the result?

A. Aman Tom Peter
B. Tom Aman Peter
C. Aman Peter Tom
D. Tom Peter Aman

Question # 16

Given:List<String> list1 = new ArrayList<>();list1.add(“A”);list1.add(“B”);List list2 = List.copyOf(list1);list2.add(“C”);List<List<String>> list3 = List.of(list1, list2);System.out.println(list3);What is the result?

A. [[A, B],[A, B]]
B. An exception is thrown at run time.
C. [[A, B], [A, B, C]]
D. [[A, B, C], [A, B, C]]

Question # 17

Which two commands are used to identify class and module dependencies? (Choose two.) 

A. jmod describe
B. java Hello.java
C. jdeps --list-deps
D. jar --show-module-resolution
E. java --show-module-resolution

Question # 18

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

A. The compilation fails because there is no zero args constructor defined in class X.
B. The compilation fails because either class X or class Y needs to implement the toString() method.
C. The compilation fails because a final class cannot extend another class.
D. The compilation succeeds.

Our Clients Say About Oracle 1z0-819 Exam