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[NEW] Java SE 8 Certification OCPJP 1Z0-809 Practice Test 21

Learn to Crack Oracle' Certified Professional(OCP): Java SE 8 Programmer II EXAM with code 1Z0-809 with Conficence.


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Description

Hello guys, if you are preparing for Oracle's Java SE 8 Programmer II Certification, also known as OCPJP or !z0-809 exam and need a practice test to test your skill then this course is right for. In this course, I have shared 5 full length practice test to prepare for Java SE 8 Programmer II certification. It covers all exam topics and each question also have explanation about why the correct answer is correct.


Here is what you will get in this course:

  1. 5 full length practice test for OCPJP exam

  2. Explanation and correct answer

  3. Life time access

  4. Each exam topics are covered

  5. Questions are randomized so you can give exam multiple times

  6. You can pause the test at any time and resume later.

  7. You can retake the test as many times as you would like.

  8. The progress bar at the top of the screen will show your progress as well as the time remaining in the test. If you run out of time, don’t worry; you will still be able to finish the test.

  9. You can skip a question to come back to at the end of the exam.

  10. You can also use “Mark for Review” to come back to questions you are unsure about before you submit your test.

  11. If you want to finish the test and see your results immediately, press the stop button.

Here are some important details about Java SE 8 Programmer II Certification:

  • Exam Code: 1Z0-809

  • Duration: 150 minutes

  • Questions #: 85 (Multiple Choice / Multiple Select)

  • Passing score: 65%


Exam Curriculum:

Java Class Design

  • Implement encapsulation

  • Implement inheritance including visibility modifiers and composition

  • Implement polymorphism

  • Override hashCode, equals, and toString methods from Object class

  • Create and use singleton classes and immutable classes

  • Develop code that uses static keyword on initialize blocks, variables, methods, and classes


Advanced Java Class Design

  • Develop code that uses abstract classes and methods

  • Develop code that uses the final keyword

  • Create inner classes including static inner class, local class, nested class, and anonymous inner class

  • Use enumerated types including methods, and constructors in an enum type

  • Develop code that declares, implements and/or extends interfaces and use the @Override annotation.

  • Create and use Lambda expressions


Generics and Collections

  • Create and use a generic class

  • Create and use ArrayList, TreeSet, TreeMap, and ArrayDeque objects

  • Use java.util.Comparator and java.lang.Comparable interfaces

  • Collections Streams and Filters

  • Iterate using forEach methods of Streams and List

  • Describe Stream interface and Stream pipeline

  • Filter a collection by using lambda expressions

  • Use method references with Streams


Lambda Built-in Functional Interfaces

  • Use the built-in interfaces included in the java.util.function package such as Predicate, Consumer, Function, and Supplier

  • Develop code that uses primitive versions of functional interfaces

  • Develop code that uses binary versions of functional interfaces

  • Develop code that uses the UnaryOperator interface


Java Stream API

  • Develop code to extract data from an object using peek() and map() methods including primitive versions of the map() method

  • Search for data by using search methods of the Stream classes including findFirst, findAny, anyMatch, allMatch, noneMatch

  • Develop code that uses the Optional class

  • Develop code that uses Stream data methods and calculation methods

  • Sort a collection using Stream API

  • Save results to a collection using the collect method and group/partition data using the Collectors class

  • Use flatMap() methods in the Stream API


Exceptions and Assertions

  • Use try-catch and throw statements

  • Use catch, multi-catch, and finally clauses

  • Use Autoclose resources with a try-with-resources statement

  • Create custom exceptions and Auto-closeable resources

  • Test invariants by using assertions


Use Java SE 8 Date/Time API

  • Create and manage date-based and time-based events including a combination of date and time into a single object using LocalDate, LocalTime, LocalDateTime, Instant, Period, and Duration

  • Work with dates and times across timezones and manage changes resulting from daylight savings including Format date and times values

  • Define and create and manage date-based and time-based events using Instant, Period, Duration, and TemporalUnit


Java I/O Fundamentals

  • Read and write data from the console

  • Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, FileInputStream, FileOutputStream, ObjectOutputStream, ObjectInputStream, and PrintWriter in the IO package.


Java File I/O (NIO.2)

  • Use Path interface to operate on file and directory paths

  • Use Files class to check, read, delete, copy, move, manage metadata of a file or directory

  • Use Stream API with NIO.2


Java Concurrency

  • Create worker threads using Runnable, Callable and use an ExecutorService to concurrently execute tasks

  • Identify potential threading problems among deadlock, starvation, livelock, and race conditions

  • Use synchronized keyword and java.util.concurrent.atomic package to control the order of thread execution

  • Use java.util.concurrent collections and classes including CyclicBarrier and CopyOnWriteArrayList

  • Use parallel Fork/Join Framework

  • Use parallel Streams including reduction, decomposition, merging processes, pipelines and performance.


Building Database Applications with JDBC

  • Describe the interfaces that make up the core of the JDBC API including the Driver, Connection, Statement, and ResultSet interfaces and their relationship to provider implementations

  • Identify the components required to connect to a database using the DriverManager class including the JDBC URL

  • Submit queries and read results from the database including creating statements, returning result sets, iterating through the results, and properly closing result sets, statements, and connections


Localization

  • Read and set the locale by using the Locale object

  • Create and read a Properties file

  • Build a resource bundle for each locale and load a resource bundle in an application


Disclaimer: These questions are not real examination questions / dumps. These questions are created to evaluate your preparation for certification exam.


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