1Z0-809 – Java SE 8 Programmer II Exam Practice Test 2022
Learn to Crack Oracle’ Certified Professional(OCP): Java SE 8 Programmer II EXAM with code 1Z0-809 with Conficence 2022
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Instructor(s): Javarevisited by Javin Paul
Hello guys, if you want to become a certified Java developer in 2022 and preparing for Oracle’s Java SE 8 Programmer II Certification in 2022, also known as OCPJP or 1Z0-809 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:
5 full length practice test for OCPJP exam
Explanation and correct answer
Life time access
Each exam topics are covered
Questions are randomized so you can give exam multiple times
You can pause the test at any time and resume later.
You can retake the test as many times as you would like.
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.
You can skip a question to come back to at the end of the exam.
You can also use “Mark for Review” to come back to questions you are unsure about before you submit your test.
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%
Java Class Design
Implement inheritance including visibility modifiers and composition
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
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
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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