Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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To become a certified Java SE 11 Developer, you must pass the Oracle 1Z0-819 exam. 1z1-819 exam is a comprehensive test of your knowledge of the Java programming language and its features. It is designed to test your ability to write efficient, reliable, and maintainable Java code. 1z1-819 exam is also designed to test your understanding of Java's core libraries, APIs, and the Java Virtual Machine.
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To become certified, candidates must pass a 90-minute, multiple-choice exam that consists of 50-60 questions. 1z1-819 exam is available in English, Japanese, and Simplified Chinese and can be taken online or at a testing center. The passing score for the exam is 63%, and candidates will receive a score report immediately after completing the exam. Once certified, developers will have access to a range of benefits, including recognition of their skills, access to Oracle certification logos, and invitations to Oracle events and communities. Overall, the Oracle 1z1-819 certification exam is an excellent way for Java developers to demonstrate their proficiency in the latest version of Java SE and enhance their career prospects.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Java Data Types | 10-15% | - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Manipulate numeric values and formatting - Handle text using String, StringBuilder and StringBuffer classes |
| Arrays and Collections | 12-18% | - Create and manipulate arrays, lists, sets, maps, queues and deques - Sort and search collections and arrays - Use generics, wildcards and diamond notation |
| Concurrency | 8-12% | - Use synchronization, locks, atomic variables and concurrent collections - Create and manage threads, use ExecutorService, Callable and Future - Use parallel streams and CompletableFuture |
| Lambda Expressions and Streams | 12-18% | - Define and use functional interfaces and lambda expressions - Use Optional class and primitive type streams - Create and use stream pipelines, including intermediate and terminal operations |
| Java I/O and NIO.2 | 8-12% | - Manage files, directories and file attributes with java.nio.file API - Read and write data using streams, readers, writers and channels - Implement serialization and deserialization |
| Java Platform Module System | 8-12% | - Use automatic modules and unnamed modules - Define modules, module declarations, requires, exports, opens, uses and provides - Compile, package and run modular applications |
| Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Exception Handling and Assertions | 8-12% | - Create custom exceptions and use standard exceptions - Use try-catch-finally, try-with-resources, throw and throws - Use assertions appropriately |
| Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Apply encapsulation, inheritance, polymorphism and abstraction - Declare and instantiate classes, interfaces, abstract classes and nested classes - Overload and override methods, use constructors and initializers |
| JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
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