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Are you ready to pass OCP- Java SE 11 certification and prove your competency to recruiters and employers alike?We have 22 practices with > 1000 questions divide to 4 coursesExam Curriculum:Java Class DesignImplement encapsulationImplement inheritance including visibility modifiers and compositionImplement polymorphismOverride hashCode, equals, and toString methods from Object classCreate and use singleton classes and immutable classesDevelop code that uses static keyword on initialize blocks, variables, methods, and classesAdvanced Java Class DesignDevelop code that uses abstract classes and methodsDevelop code that uses the final keywordCreate inner classes including static inner class, local class, nested class, and anonymous inner classUse enumerated types including methods, and constructors in an enum typeDevelop code that declares, implements and/or extends interfaces and use the @Override annotation.Create and use Lambda expressionsGenerics and CollectionsCreate and use a generic classCreate and use ArrayList, TreeSet, TreeMap, and ArrayDeque objectsUse java.util.Comparator and java.lang.Comparable interfacesCollections Streams and FiltersIterate using forEach methods of Streams and ListDescribe Stream interface and Stream pipelineFilter a collection by using lambda expressionsUse method references with StreamsLambda Built-in Functional InterfacesUse the built-in interfaces included in the java.util.function package such as Predicate, Consumer, Function, and SupplierDevelop code that uses primitive versions of functional interfacesDevelop code that uses binary versions of functional interfacesDevelop code that uses the UnaryOperator interfaceJava Stream APIDevelop code to extract data from an object using peek() and map() methods including primitive versions of the map() methodSearch for data by using search methods of the Stream classes including findFirst, findAny, anyMatch, allMatch, noneMatchDevelop code that uses the Optional classDevelop code that uses Stream data methods and calculation methodsSort a collection using Stream APISave results to a collection using the collect method and group/partition data using the Collectors classUse flatMap() methods in the Stream APIExceptions and AssertionsUse try-catch and throw statementsUse catch, multi-catch, and finally clausesUse Autoclose resources with a try-with-resources statementCreate custom exceptions and Auto-closeable resourcesTest invariants by using assertionsUse Java SE 8 Date/Time APICreate 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 DurationWork with dates and times across timezones and manage changes resulting from daylight savings including Format date and times valuesDefine and create and manage date-based and time-based events using Instant, Period, Duration, and TemporalUnitJava I/O FundamentalsRead and write data from the consoleUse 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 pathsUse Files class to check, read, delete, copy, move, manage metadata of a file or directoryUse Stream API with NIO.2Java ConcurrencyCreate worker threads using Runnable, Callable and use an ExecutorService to concurrently execute tasksIdentify potential threading problems among deadlock, starvation, livelock, and race conditionsUse synchronized keyword and java.util.concurrent.atomic package to control the order of thread executionUse java.util.concurrent collections and classes including CyclicBarrier and CopyOnWriteArrayListUse parallel Fork/Join FrameworkUse parallel Streams including reduction, decomposition, merging processes, pipelines and performance.Building Database Applications with JDBCDescribe the interfaces that make up the core of the JDBC API including the Driver, Connection, Statement, and ResultSet interfaces and their relationship to provider implementationsIdentify the components required to connect to a database using the DriverManager class including the JDBC URLSubmit queries and read results from the database including creating statements, returning result sets, iterating through the results, and properly closing result sets, statements, and connectionsLocalizationRead and set the locale by using the Locale objectCreate and read a Properties fileBuild a resource bundle for each locale and load a resource bundle in an applicationPractice tests are randomized to give a real examination feel. All topics listed above are divided appropriately in 6 tests. Questions are designed based on real examination questions in terms of pattern and complexity. All Exam topics and sub-topics are covered.Explanation of all the correct answers is also provided for reference and understanding. Relevant hints and how to approach a question in real examination setting is also provided in explanation.Successful completion of all the tests will boost your confidence to attempt Oracle Certified Professional -Java SE 11 examination.More information on detailed curriculum and assumptions to be followed for examination are available on oracle certification page.NOTE: Each practice test of this course contains questions on all the exam topics, similar to what is expected in real exam. But if you prefer to solve topic-wise questions, then enroll in my other course titled "Java Certification - OCP (1Z0-819) Topic-wise Tests [2023]", which contains the same questions arranged in topic-wise manner.

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