Oracle 1z0-819 Dumps

Oracle 1z0-819 Dumps

Java SE 11 Developer
  • 257 Questions & Answers
  • Update Date : November 25, 2024

PDF + Testing Engine
$65
Testing Engine (only)
$55
PDF (only)
$45
Free Sample Questions

What makes Pass4sureClub the optimal selection for certification exam preparation?

Pass4sureClub offers Oracle 1z0-819 practice test questions along with answers, unlike other online platforms. To access the entire review material, you need to create a free account on Pass4sureClub. Many customers worldwide are achieving high scores using our 1z0-819 Dumps. You can also get a 100% pass guarantee and a money-back guarantee for the 1z0-819 exam. PDF files are available for download immediately after purchase.

An Essential Resource for Preparing for the Oracle 1z0-819 Exam:

Pass4sureClub is the ultimate resource for preparing for the Oracle 1z0-819 exam. We strictly follow the precise review test questions and answers, which are consistently updated and verified by experts. Our team of Oracle 1z0-819 exam dumps experts, hailing from various reputable backgrounds, are knowledgeable and skilled individuals who have thoroughly reviewed a significant portion of Oracle 1z0-819 exam questions and answers to assist you in grasping the concepts and passing the certification exam with high marks. Oracle 1z0-819 braindumps are the most efficient method to prepare for your exam in just 1 day.

Mobile-Friendly and Easily Accessible for Users:

Accessible and User-Friendly on Mobile Devices. Our platform for the Oracle 1z0-819 exam is designed to be incredibly easy to use. The primary objective of our platform is to provide the latest, accurate, updated, and highly beneficial review material. Students can utilize this material to study and effectively navigate the implementation and support of Salesforce systems. Authentic test questions and answers are accessible, with PDF downloads available immediately upon purchase. With an internet connection on your mobile device, you can conveniently study on our mobile-friendly website.

Industry Experts Have Verified Oracle 1z0-819 Dumps:

Gain Immediate Access to the Latest and Precise Oracle 1z0-819 Questions and Answers:
Our exam database is regularly updated throughout the year to incorporate the latest Oracle 1z0-819 exam questions and answers. Each test page displays the date at the top, along with the updated list of exam questions and answers. With the authenticity of the current exam questions, you will successfully pass the exam on your first attempt.

The Oracle 1z0-819 exam dumps have been verified by dedicated industry professionals, ensuring accurate Oracle 1z0-819 test questions and answers with brief explanations. Each question and answer is scrutinized by experts from Salesforce, individuals with extensive professional experience in the vendor's examination.

Pass4sureClub.com stands out by offering the best Oracle 1z0-819 exam questions along with detailed explanations, unlike many other exam portals.

Pass4sureClub.com is dedicated to delivering top-notch Oracle 1z0-819 braindumps that will assist you in passing the exam and obtaining certification. To ensure the most effective preparation method for the Oracle 1z0-819 exam, we offer up-to-date and realistic test questions sourced from current exams. If you purchase the complete PDF file but do not pass the vendor exam, you are eligible for a refund or exam replacement. For further details about our clear-cut money-back guarantee, please visit our guarantee page.

Related Exams


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>();