OCP: Oracle Certified Professional Java SE Programmer II is your comprehensive companion for preparing for Exam as well as upgrade Exam Java SE Programmer II and Exam Java SE Programmer II. With full coverage of 100% of exam objectives, this invaluable course reinforces what you know, teaches you what you don’t know, and gives you the hands-on practice you need to boost your skills. Written by expert Java developers, this course goes beyond mere exam prep with the insight, explanations and perspectives that come from years of experience. You’ll review the basics of object-oriented programming, understand functional programming, apply your knowledge to database work, and much more. From the basic to the advanced, this course walks you through everything you need to know to confidently take the OCPJava SE Programmer II Exam andupgrade exams Java SE Programmer II Java represents the biggest changes to the language to date, and the latest exam now requires that you demonstrate functional programming competence in order to pass. This course has you covered, with clear explanations and expert advice. Understand abstract classes, interfaces, and class designLearn object-oriented design principles and patternsDelve into functional programming, advanced strings, and localizationMaster IO, NIO, and JDBC with expert-led database practiceTopics 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 java 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 pe
