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Charles Foster Charles Foster

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1z0-809 Exam Passing Score - New 1z0-809 Test Experience

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Preparing for the Oracle 1z1-809 Exam requires a significant amount of time and effort. Candidates are encouraged to have at least two years of experience in Java programming before attempting 1z0-809 Exam. They should also have a deep understanding of Java SE 8 features and be able to develop code that meets performance, security, and maintainability requirements. Numerous study resources are available, including official Oracle training courses, practice exams, and study guides.

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Hot 1z0-809 Exam Passing Score | Valid New 1z0-809 Test Experience: Java SE 8 Programmer II 100% Pass

Our Oracle 1z0-809 exam questions are created and curated by industry specialists.Experts at FreeDumps strive to provide applicants with valid and updated Oracle 1z0-809 exam questions to prepare from, as well as increased learning experiences. We are confident in the quality of the Oracle 1z0-809 preparational material we provide and back it up with a money-back guarantee.

Oracle 1z1-809 (Java SE 8 Programmer II) Certification Exam is designed for experienced Java programmers who are looking to validate their skills and knowledge in Java programming language. 1z0-809 Exam focuses on advanced Java programming concepts such as lambdas, streams, concurrency, JDBC, and NIO. Java SE 8 Programmer II certification exam is an industry-recognized certification that demonstrates your expertise in Java SE 8 programming and helps you enhance your career prospects.

Oracle Java SE 8 Programmer II Sample Questions (Q30-Q35):

NEW QUESTION # 30
Given the code fragment:
Stream<Path> files = Files.walk(Paths.get(System.getProperty("user.home"))); files.forEach (fName -> { //line n1 try { Path aPath = fName.toAbsolutePath(); //line n2 System.out.println(fName + ":"
+ Files.readAttributes(aPath,
Basic.File.Attributes.class).creationTime
());
} catch (IOException ex) {
ex.printStackTrace();
});
What is the result?

A. A compilation error occurs at line n2.
B. The files in the home directory are listed along with their attributes.
C. All files and directories under the home directory are listed along with their attributes.
D. A compilation error occurs at line n1.

Answer: C

NEW QUESTION # 31
Given the code fragment:
List<String> empDetails = Arrays.asList("100, Robin, HR", "200, Mary, AdminServices","101, Peter, HR"); empDetails.stream()
.filter(s-> s.contains("r"))
.sorted()
.forEach(System.out::println); //line n1
What is the result?

A. 100, Robin, HR200, Mary, AdminServices101, Peter, HR
B. 101, Peter, HR200, Mary, AdminServices
C. E. A compilation error occurs at line n1.
D. 100, Robin, HR101, Peter, HR

Answer: A

NEW QUESTION # 32
Given the code fragments:
public class Book implements Comparator<Book> {
String name;
double price;
public Book () {}
public Book(String name, double price) {
this.name = name;
this.price = price;
}
public int compare(Book b1, Book b2) {
return b1.name.compareTo(b2.name);
}
public String toString() {
return name + ":" + price;
}
}
and
List<Book>books = Arrays.asList (new Book ("Beginning with Java", 2), new book ( "A
Guide to Java Tour", 3));
Collections.sort(books, new Book());
System.out.print(books);
What is the result?

A. A compilation error occurs because the Book class does not override the abstract method compareTo ().
B. [Beginning with Java:2, A Guide to Java Tour:3]
C. [A Guide to Java Tour:3, Beginning with Java:2]
D. An Exceptionis thrown at run time.

Answer: C

NEW QUESTION # 33
Given:
class FuelNotAvailException extends Exception { }
class Vehicle {
void ride() throws FuelNotAvailException {//line n1
System.out.println("Happy Journey!");
}
}
class SolarVehicle extends Vehicle {
public void ride () throws Exception {//line n2
super ride ();
}
}
and the code fragment:
public static void main (String[] args) throws FuelNotAvailException, Exception { Vehicle v = new SolarVehicle (); v.ride();
}
Which modification enables the code fragment to print Happy Journey!?

A. Replace line n1 with protected void ride() throws Exception {
B. Replace line n2 with void ride() throws Exception {
C. Replace line n2 with private void ride() throws FuelNotAvailException {
D. Replace line n1 with public void ride() throws FuelNotAvailException {

Answer: A

NEW QUESTION # 34
Given:

and the code fragment:

Which two code fragments, when inserted at line n1 independently, enable the code to print TruckCarBike?

A. .sorted ((v1, v2) -> v1.getVId() < v2.getVId())
B. .map (v -> v.getVid()).sorted ()
C. .sorted((v1, v2) -> Integer.compare(v1.getVId(), v2.getVid()))
D. .sorted(Comparator.comparing ((Vehicle v) -> v.getVId()))
E. .sorted (Comparable.comparing (Vehicle: :getVName)).reversed ()

Answer: C,D

NEW QUESTION # 35
......

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Charles Foster Charles Foster

Biography

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