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Last Updated: Sep 28, 2026
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Oracle 1Z0-819 (Java SE 11 Developer) Certification Exam is a valuable certification for developers who work with Java SE 11. 1Z0-819 exam covers a wide range of topics and requires candidates to have a strong understanding of Java SE 11 programming. Passing the exam is a great way to demonstrate your expertise in Java development and enhance your career prospects in the software development industry.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819 (Java SE 11 Developer) Certification Exam is an internationally recognized certification program designed for Java developers who want to validate their knowledge and expertise in Java programming. Java SE 11 Developer certification exam covers a wide range of topics, including Java syntax and structure, object-oriented programming, functional programming, error handling, and concurrency. 1Z0-819 exam is designed to test the candidate's understanding of Java SE 11 and their ability to apply Java programming concepts to real-world scenarios.
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The Oracle 1Z0-819 exam consists of 80 multiple-choice questions that need to be completed within 180 minutes. The Oracle 1Z0-819 exam is designed to test the candidate's ability to apply Java programming concepts and techniques to solve real-world problems. To pass the exam, candidates need to score at least 63% or more.
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Java Data Types | 10-15% | - Manipulate numeric values and formatting - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Handle text using String, StringBuilder and StringBuffer classes |
| Topic 2: Java Platform Module System | 8-12% | - Define modules, module declarations, requires, exports, opens, uses and provides - Use automatic modules and unnamed modules - Compile, package and run modular applications |
| Topic 3: Arrays and Collections | 12-18% | - Sort and search collections and arrays - Use generics, wildcards and diamond notation - Create and manipulate arrays, lists, sets, maps, queues and deques |
| Topic 4: Concurrency | 8-12% | - Create and manage threads, use ExecutorService, Callable and Future - Use synchronization, locks, atomic variables and concurrent collections - Use parallel streams and CompletableFuture |
| Topic 5: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Topic 6: Exception Handling and Assertions | 8-12% | - Use try-catch-finally, try-with-resources, throw and throws - Use assertions appropriately - Create custom exceptions and use standard exceptions |
| Topic 7: Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Overload and override methods, use constructors and initializers - Apply encapsulation, inheritance, polymorphism and abstraction - Declare and instantiate classes, interfaces, abstract classes and nested classes |
| Topic 8: 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 |
| Topic 9: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 10: Java I/O and NIO.2 | 8-12% | - Implement serialization and deserialization - Manage files, directories and file attributes with java.nio.file API - Read and write data using streams, readers, writers and channels |
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