PDF Version DemoWho should take the 1Z0-809 exam
The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as an Oracle Certified Java Programmer. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass Oracle Java SE 8 Programmer II 1Z0-809 Exam then he should take this exam.
In modern society, Oracle 1z0-809日本語 certificate has an important impact on your future job, your promotion and salary increase. Also it can make a great deal of difference in your career.
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Preparation Resources
Now that you have made your decision and know the date of the final test, you can make a plan for your thorough training. Keep in mind that the field of Java is constantly evolving, so choose only relevant and credible sources for preparation. We can find many options on the Internet: training courses, sets of questions, and study guides such as.
- ‘OCP Java SE 8 Programmer II Exam Guide (Exam 1Z0-809) 7th Edition’ by Kathy Sierra, Bert Bates, and Elisabeth Robson. Developed by a team of experts, including two Java SE 8 Programmer II exam developers, the study guide fully follows the objectives of the official test and assists candidates greatly in through preparation for this Oracle exam. The book's content is designed to provide comprehensive coverage of each topic such as object orientation, streams, threads, and concurrency, as well as providing you with the fundamentals of programming in the Java language. So, both the Kindle and the print version are available on Amazon making it easy for any candidate to obtain the OCP Java SE 8 Programmer certification.
- ‘Oracle Certified Professional Java SE 8 Programmer Exam 1Z0-809: A Comprehensive OCPJP 8 Certification Guide 2nd Edition’ by SG Ganesh, Hari Kiran Kumar, Tushar Sharma. A group of expert authors has developed a training guide consisting of 14 chapters to prepare candidates for all 1Z0-809 exam topics and develop all the skills necessary for a professional Java SE 8 developer. The book begins with answers to the most frequently asked questions about the OCP Java SE 8 Programmer certification process, and at the end of the training you will be offered a practice exam for your self-check. What's more, for a more comprehensive approach, you'll get real-life examples, practice questions, exam notes and tips. Anyone can order this book in the Kindle version or print format on Amazon, and then get the key to passing the Oracle 1Z0-809 exam brilliantly.
- ‘OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide: Exam 1Z0-809 1st Edition, Kindle Edition by Jeanne Boyarsky and Scott Selikoff. The study guide, developed by expert Java developers, aims to strengthen candidates' existing knowledge as well as to develop new skills needed to obtain the OCP Java SE 8 Programmer certification. As a result, you will gain a solid understanding of abstract classes, interfaces, and class design, learn object-oriented design principles and patterns, and deepen into functional programming. And thanks to the practical work with expert-led database practice you will master input-output, NIO, and JDBC, which will help you not only to pass the Oracle 1Z0-809 exam perfectly but also to sharpen the skills necessary for a Java developer in solving everyday tasks. So when you order this guide from Amazon in Kindle or Paperback version, you get not only the prep material but also the insight, explanations, and perspectives that come from years of experience
In other words, there are a huge number of training resources available to you to help you write your final test with flying colors, become an Oracle Certified Professional Java SE 8 Programmer, and take the next step in your IT career.
Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Advanced Java Class Design | 10% | - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods |
| Lambda Expressions and Functional Interfaces | 15% | - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Create and use lambda expressions - Use method references - Use primitive and binary variants of functional interfaces |
| Generics and Collections | 15% | - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Use generic classes, interfaces, and methods |
| Java Class Design | 15% | - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods - Implement polymorphism - Create singleton and immutable classes |
| Java Stream API | 15% | - Filter, map, and process streams - Describe Stream interface and pipeline - Work with Optional class - Use terminal operations: collect, reduce, count |
| Java I/O and NIO.2 | 8% | - Stream operations on files - Read/write with java.io API - Use Path, Files, FileSystem API |
| Localization | 5% | - Format numbers, dates, messages - Work with resource bundles - Use Locale class |
| Exceptions and Assertions | 8% | - Create custom exceptions - Use assertions - Use try-with-resources - Use try-catch, multi-catch, finally |
| Concurrency | 12% | - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Use java.util.concurrent components |
| Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
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