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Oracle 1z1-819 Q&A - in .pdf
Oracle 1z1-819 Value Pack
(Actual Exam Collection)
- Exam Code: 1z1-819
- Exam Name: Java SE 11 Developer
Online Testing Engine supports Windows / Mac / Android / iOS, etc., because it is the software based on WEB browser.- If you purchase Oracle 1z1-819 Value Pack, you will also own the free online Testing Engine.
- Updated: Aug 20, 2026
- Q & A: 297 Questions and Answers
- 1z1-819 PDF + PC Testing Engine + Online Testing Engine
- Value Pack Total: $119.98 $79.99
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Oracle 1z1-819 Q&A - Testing Engine
- Exam Code: 1z1-819
- Exam Name: Java SE 11 Developer
- Updated: Aug 20, 2026
- Q & A: 297 Questions and Answers
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How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Examination Fees: $250 USD
- No. of Questions: 60 Questions
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Types of questions: Performance Based Questions
- Passing Score: 60% or higher
- Length of Exam: 85 min
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Topic 2: Working with Java Data Types | 10-15% | - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Handle text using String, StringBuilder and StringBuffer classes - Manipulate numeric values and formatting |
| Topic 3: Exception Handling and Assertions | 8-12% | - Use assertions appropriately - Create custom exceptions and use standard exceptions - Use try-catch-finally, try-with-resources, throw and throws |
| Topic 4: 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 5: Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Declare and instantiate classes, interfaces, abstract classes and nested classes - Overload and override methods, use constructors and initializers - Apply encapsulation, inheritance, polymorphism and abstraction |
| Topic 6: Java I/O and NIO.2 | 8-12% | - Read and write data using streams, readers, writers and channels - Implement serialization and deserialization - Manage files, directories and file attributes with java.nio.file API |
| Topic 7: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 8: Lambda Expressions and Streams | 12-18% | - Create and use stream pipelines, including intermediate and terminal operations - Use Optional class and primitive type streams - Define and use functional interfaces and lambda expressions |
| Topic 9: 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 10: Concurrency | 8-12% | - Use parallel streams and CompletableFuture - Use synchronization, locks, atomic variables and concurrent collections - Create and manage threads, use ExecutorService, Callable and Future |
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