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Certification Path
Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.
What is the duration of the 1Z0-809 Exam
- Number of Questions: 85
- Length of Examination: 150 minutes
- Format: Multiple choices, multiple answers
- Passing Score: 65%
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Given that this exam is at the professional level of certification, candidates have a large amount of work to do. Therefore, the first thing that is recommended is to thoroughly review the complete list of topics available on the official exam page, which includes:
- Java Concurrency. The candidates must be able to create worker threads, as well as to use parallel Fork/Join Framework and parallel Streams.
- NIO.2, Path Interface, and Files Class.
- Generics and Collections. This allows the candidate to create and use a generic class as well as ArrayList, TreeSet, TreeMap, and ArrayDeque objects.
- Advanced Class Design. Specifically, candidates must demonstrate skills in how to implement encapsulation, polymorphism, and inheritance.
- I/O Fundamentals. It means the skill of reading and writing data from the console.
- Stream API. It means the code development that uses optional class, Stream data, and calculation methods in addition to sorting a collection using Stream API.
- Localization. In particular how to read and set the locale by using the Locale object, to create and read a Properties file, and to build a recourse bundle for each locale.
- Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
To apply for this Oracle certification test, you should first pay $245 for a voucher. After that, go to Pearson VUE and log into your account. Enter the exam code, which should be 1Z0-809, and follow the instructions that will pop up.
How to study the 1Z0-809 Exam
There are two main types of resources for preparation of certification exams first there are the study guides and the books that are detailed and suitable for building knowledge from ground up then there are video tutorial and lectures that can somehow ease the pain of through study and are comparatively less boring for some candidates yet these demand time and concentration from the learner. Smart Candidates who want to build a solid foundation in all exam topics and related technologies usually combine video lectures with study guides to reap the benefits of both but there is one crucial preparation tool as often overlooked by most candidates the practice exams. Practice exams are built to make students comfortable with the real exam environment. Statistics have shown that most students fail not due to that preparation but due to exam anxiety the fear of the unknown. DumpsReview expert team recommends you to prepare some notes on these topics along with it don't forget to practice Oracle 1Z0-809 exam dumps which have been written by our expert team, Both these will help you a lot to clear this exam with good marks.
Oracle 1z0-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java Stream API | 15% | - Filter, map, and process streams - Use terminal operations: collect, reduce, count - Work with Optional class - Describe Stream interface and pipeline |
| Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Exceptions and Assertions | 8% | - Use try-with-resources - Use assertions - Use try-catch, multi-catch, finally - Create custom exceptions |
| Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Implement encapsulation - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Override hashCode, equals, and toString methods |
| Advanced Java Class Design | 10% | - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous - Use final keyword - Use enumerated types |
| JDBC | 5% | - Connect to database - Execute queries and updates - Process resultsets |
| Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use java.util.concurrent components - Use Executors, Callable, Future |
| Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Generics and Collections | 15% | - Sort and search collections - Use generic classes, interfaces, and methods - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue |
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