Oracle 1z0-819 Dumps PDF

Master Your Preparation for the Oracle 1z0-819

We give our customers with the finest 1z0-819 preparation material available in the form of pdf .Oracle 1z0-819 exam questions answers are carefully analyzed and crafted with the latest exam patterns by our experts. This steadfast commitment to excellence has built unbreakable trust among countless people who aspire to advance their careers. Our learning resources are designed to help our students attain an impressive score of over 97% in the Oracle 1z0-819 exam, thanks to our effective study materials. We appreciate your time and investments, ensuring you receive the best resources. Rest assured, we leave no room for error, committed to excellence.

Friendly Support Available 24/7:

If you face issues with our Oracle 1z0-819 Exam dumps, our customer support specialists are ready to assist you promptly. Your success is our priority, we believe in quality and our customers are our 1st priority. Our team is available 24/7 to offer guidance and support for your Oracle 1z0-819 exam preparation. Feel free to reach out with any questions if you find any difficulty or confusion. We are committed to ensuring you have the necessary study materials to excel.

Verified and approved Dumps for Oracle 1z0-819:

Our team of IT experts delivers the most accurate and reliable 1z0-819 dumps for your Oracle 1z0-819 exam. All the study material is approved and verified by our team regarding Oracle 1z0-819 dumps. Our meticulously verified material, endorsed by our IT experts, ensures that you excel with distinction in the 1z0-819 exam. This top-tier resource, consisting of 1z0-819 exam questions answers, mirrors the actual exam format, facilitating effective preparation. Our committed team works tirelessly to make sure that our customers can confidently pass their exams on their first attempt, backed by the assurance that our 1z0-819 dumps are the best and have been thoroughly approved by our experts.

Oracle 1z0-819 Questions:

Embark on your certification journey with confidence as we are providing most reliable 1z0-819 dumps from Microsoft. Our commitment to your success comes with a 100% passing guarantee, ensuring that you successfully navigate your Oracle 1z0-819 exam on your initial attempt. Our dedicated team of seasoned experts has intricately designed our Oracle 1z0-819 dumps PDF to align seamlessly with the actual exam question answers. Trust our comprehensive 1z0-819 exam questions answers to be your reliable companion for acing the 1z0-819 certification.

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

Show Answer

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.

Show Answer

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.

Show Answer

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.

Show Answer

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

Show Answer

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;

Show Answer

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();

Show Answer

Question # 8

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

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

Show Answer

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

Show Answer

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”));

Show Answer

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.

Show Answer

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”)};

Show Answer

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>();

Show Answer