Title: Free PDF Quiz Perfect 1z1-809 - Reliable Java SE 8 Programmer II Test Practice [Print This Page] Author: samblac146 Time: yesterday 20:13 Title: Free PDF Quiz Perfect 1z1-809 - Reliable Java SE 8 Programmer II Test Practice DOWNLOAD the newest Pass4sures 1z1-809 PDF dumps from Cloud Storage for free: https://drive.google.com/open?id=1vkXkah1o9nahiPp0w6pzFKL8o93veYm9
Going through our Oracle 1z1-809 certification exam prep material there remains no chance of failure in the Oracle exam. So do not waste your time anymore, avail the best Oracle 1z1-809 Exam Practice material and start your journey towards a bright career. What is the duration of the 1Z0-809 Exam
Passing Score: 65%
Format: Multiple choices, multiple answers
Number of Questions: 85
Length of Examination: 150 minutes
To pass the Oracle 1z0-809 certification exam, candidates must demonstrate their knowledge of advanced Java programming concepts, including collections, generics, and IO. They must also possess the ability to design and implement Java applications that are secure, scalable, and maintainable. 1z1-809 exam is challenging and requires a comprehensive understanding of Java programming concepts and best practices.
Oracle 1z0-809 certification exam is designed to test the knowledge and skills of Java developers who want to gain a deeper understanding of the Java programming language. 1z1-809 Exam is intended for professionals who have already earned the Oracle Certified Associate (OCA) Java SE 8 Programmer certification and are looking to demonstrate their expertise in Java SE 8 programming.
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Which two reasons should you use interfaces instead of abstract classes? (Choose two.)
A. You want to take advantage of multiple inheritance of type.
B. You want to share code among several closely related classes.
C. You expect that unrelated classes would implement your interfaces.
D. You expect that classes that implement your interfaces have many common methods or fields, or require access modifiers other than public.
E. You want to declare non-static on non-final fields.
NEW QUESTION # 47
Which two statements are true about the Fork/Join Framework? (Choose two.)
A. The RecursiveTask subclass is used when a task does not need to return a result.
B. The Fork/Join framework can help you take advantage of multicore hardware.
C. The Fork/Join solution when run on multicore hardware always performs faster than standard sequential
solution.
D. The Fork/Join framework implements a work-stealing algorithm.
Answer: A,D
NEW QUESTION # 48
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. [Beginning with Java:2, A Guide to Java Tour:3]
B. [A Guide to Java Tour:3.0, Beginning with Java:2.0]
C. An Exception is thrown at run time.
D. A compilation error occurs because the Book class does not override the abstract method compareTo().
Answer: B
NEW QUESTION # 49
Given the code fragment:
Path file = Paths.get ("courses.txt");
// line n1
Assume the courses.txtis accessible.
Which code fragment can be inserted at line n1to enable the code to print the content of the courses.txtfile?
A. List<String> fc = readAllLines(file);
fc.stream().forEach (s - > System.out.println(s));
B. List<String> fc = Files.list(file);
fc.stream().forEach (s - > System.out.println(s));
C. Stream<String> fc = Files.readAllLines (file);
fc.forEach (s - > System.out.println(s));
D. Stream<String> fc = Files.lines (file);
fc.forEach (s - > System.out.println(s));
Answer: C
NEW QUESTION # 50
Given:
Your design requires that:
- fuelLevel of Engine must be greater than zero when the start() method is invoked.
- The code must terminate if fuelLevel of Engine is less than or equal to zero.
Which code fragment should be added at line n1 to express this invariant condition?
A. assert (fuelLevel > 0) : System.out.println ("Impossible fuel");
B. assert (fuelLevel) : "Terminating...";
C. assert fuelLevel < 0: System.exit(0);
D. assert fuelLevel > 0: "Impossible fuel" ;
Answer: C
NEW QUESTION # 51
......
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