1Z0-808: Java SE 8 Programmer 1
De Java SE 8 Oracle Certified Associate (OCA)-certificering helpt u een fundamenteel begrip van Java op te bouwen, en het…
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1Z0-809: Java SE 8 Programmer 2
Om ten volle te profiteren van de voordelen van een professionele Java SE 8-ontwikkelaar, moet u slagen voor twee examens. Het behalen van de Oracle Certified Associate (OCA)-referentie is de eerste stap, gevolgd door de Oracle Certified Professional (OCP)-referentie, om aan te tonen dat u over de vaardigheden op hoog niveau beschikt die nodig zijn om succesvol te zijn. Stappen om een Oracle Certified Professional (OCP) te worden Java SE 8-programmeur Om u te helpen bij de voorbereiding op certificeringstests, raden we training en praktijkervaring aan. Stap 1: Bereid je voor op het afleggen van de vereiste OCP-examenreeks door geavanceerde Java SE 8-training te volgen en praktische, praktische ervaring op te doen. Stap 2: Verdien uw Oracle Certified Associate (OCA) Java SE 8 Programmer-referentie door te slagen voor het Java SE Programmer I-examen (1Z0-808). Stap 3: Doe en slaag voor het Java SE Programmer II-examen (1Z0-809) Wilt u de nieuwste Oracle Certified Professional Java SE 11 Developer Credential behalen? Maak gebruik van de nieuwe functies van Java SE 11 om de competitieve arbeidsmarkt voor te blijven. Bewijs uw expertise door uw OCP Java SE 11 Developer-referentie te behalen. Leer hoe u zich kunt voorbereiden en welke stappen nodig zijn om deze certificering te behalen. Oracle Certified Professional, Java SE 11 Developer certificeringstraject.
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- 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 java.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
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Examen ID: 1Z0-809
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