Oracle 1z0-809 Exam Dumps

Oracle 1z0-809 Exam Dumps

Java SE 8 Programmer II

( 1107 Reviews )
Total Questions : 196
Update Date : February 22, 2024
PDF + Test Engine
$65 $95
Test Engine
$55 $85
PDF Only
$45 $75

Discount Offer! Use Coupon Code to get 20% OFF DO2022

Recent 1z0-809 Exam Result

Our 1z0-809 dumps are key to get access. More than 3186+ satisfied customers.

42

Customers Passed 1z0-809 Exam Today

99%

Maximum Passing Score in Real 1z0-809 Exam

94%

Guaranteed Questions came from our 1z0-809 dumps


What is Oracle 1z0-809 Exam ?

The Oracle 1Z0-809 exam is a certification exam for Java SE 8 Programmer II. This certification exam is designed to validate the skills and knowledge of candidates who are proficient in Java SE 8 programming.

The Oracle 1Z0-809 exam is a 120-minute exam that consists of 85 multiple-choice questions. The exam covers the following topics:

Object-oriented programming concepts
Control flow statements
Arrays
Strings
Input/output
Exception handling
Inheritance
Interfaces
Generics
Collections
Lambda expressions
Stream API
Concurrency
Modularity
Java SE 8 features

To pass the Oracle 1Z0-809 exam, candidates must score at least 65% on the exam.

The Oracle 1Z0-809 exam is a valuable certification for anyone who wants to demonstrate their skills and knowledge in Java SE 8 programming. This certification can help candidates advance their careers in the Java development field.

Oracle 1z0-809 Exam Dumps are a great way to prepare for the Oracle 1z0-809 exam. They provide you with a comprehensive overview of the exam content, and they can help you identify your areas of weakness. By using Oracle 1z0-809 Exam Dumps, you can increase your chances of passing the exam and earning your Oracle certification.

Once you have chosen Oracle 1z0-809 Exam Dumps, you can start using them to prepare for the exam. Here are some tips for using Oracle 1z0-809 Exam Dumps:

Start by reading the Oracle 1z0-809 Exam Dumps carefully. This will help you to understand the exam content and identify your areas of weakness.
Take practice exams using the Oracle 1z0-809 Exam Dumps. This will help you to get used to the format of the exam and to improve your test-taking skills.
Review the Oracle 1z0-809 Exam Dumps regularly. This will help you to remember the information and to stay up-to-date on the latest exam content.

By following these tips, you can use Oracle 1z0-809 Exam Dumps to increase your chances of passing the exam and earning your Oracle certification.

1z0-809 Sample Question Answers

Question 1

Which two reasons should you use interfaces instead of abstract classes? (Choose two.)

A. You expect that classes that implement your interfaces have many common methods or fields, or require access modifiers other than public.
B. You expect that unrelated classes would implement your interfaces.
C. You want to share code among several closely related classes.
D. You want to declare non-static on non-final fields.
E. You want to take advantage of multiple inheritance of type.



Question 2

Given the code fragment:public class Foo {public static void main (String [ ] args) {Map unsortMap = new HashMap< > ( );unsortMap.put (10, ''z'');unsortMap.put (5, ''b'');unsortMap.put (1, ''d'');unsortMap.put (7, ''e'');unsortMap.put (50, ''j'');Map treeMap = new TreeMap (newComparator ( ) {@Override public int compare (Integer o1, Integer o2) {return o2.compareTo(o1); } } );treeMap.putAll (unsortMap);for (Map.Entry entry : treeMap.entrySet () ) {System.out.print (entry.getValue () + '' '');}}}What is the result?

A. A compilation error occurs.
B. d b e z j
C. j z e b d
D. z b d e j



Question 3

Given the code fragment:List values = Arrays.asList (1, 2, 3);values.stream ().map(n -> n*2)//line n1.peek(System.out::print)//line n2.count();What is the result?

A. 246
B. The code produces no output.
C. A compilation error occurs at line n1.
D. A compilation error occurs at line n2.



Question 4

Given:IntStream stream = IntStream.of (1,2,3);IntFunction inFu= x -> y -> x*y;//line n1IntStream newStream = stream.map(inFu.apply(10));//line n2newStream.forEach(System.out::print);Which modification enables the code fragment to compile?

A. Replace line n1 with:IntFunction<UnaryOperator> inFu = x -> y -> x*y;
B. Replace line n1 with:IntFunction<IntUnaryOperator> inFu = x -> y -> x*y;
C. Replace line n1 with:BiFunction<IntUnaryOperator> inFu = x -> y -> x*y;
D. Replace line n2 with:IntStream newStream = stream.map(inFu.applyAsInt (10));



Question 5

Given the definition of the Vehicle class:Class Vehhicle {int distance;//line n1Vehicle (int x) {this distance = x;}public void increSpeed(int time) {//line n2int timeTravel = time;//line n3class Car {int value = 0;public void speed () {value = distance /timeTravel;System.out.println (''Velocity with new speed''+value+''kmph'');}}new Car().speed();}}and this code fragment:Vehicle v = new Vehicle (100);v.increSpeed(60);What is the result?

A. Velocity with new speed
B. A compilation error occurs at line n1.
C. A compilation error occurs at line n2.
D. A compilation error occurs at line n3.



Comments

Post Comment