LỘ TRÌNH KIẾN THỨC CHINH PHỤC CHỨNG CHỈ ORACLE CERTIFIED PROFESSIONAL(OCP)- JAVA SE 8 PROGRAMMER

Để được công nhận là một nhà phát triển Java SE 8 cao cấp, bạn cần vượt qua 2 kỳ thi bao gồm: Oracle Certified Associate (OCA) và Oracle Certified Professional (OCP)

1. Mã bài thi: 1Z0-809

2. Định dạng: Trắc nghiệm

3. Thời lượng: 120 phút

4. Số câu hỏi: 68

5. Điểm đạt: 65%

6. Xác thực: Kỳ thi đã được xác thực cho phiên bản sản phẩm Java SE 8

7. Chi phí: 5.735.695

8. Các kiến thức:

8.1. 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 classe

8.2. 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

8.3. 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

8.4. 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

8.5. 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

8.6. 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

8.7. 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

8.8. 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.

8.9. 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

8.10. 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.

8.11. 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

8.12. 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

Bạn có thể tìm hiểu thêm về chứng chỉ OCA tại: https://bkacad.edu.vn/ban-tin-chuong-trinh-dao-tao-chung-chi-quoc-te-cn169.html.