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This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.
Java SE 11 Developer Exam Number: 1Z0-819 is a fundamental exam. Successful completion by candidates will allow them to achieve Oracle Certified Professional: Java SE 11 Developer.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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| Section | Weight | Objectives |
|---|---|---|
| Java Object-Oriented Approach | 15-20% | - Overload and override methods, use constructors and initializers - Declare and instantiate classes, interfaces, abstract classes and nested classes - Apply encapsulation, inheritance, polymorphism and abstraction - Use local variable type inference |
| 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 |
| 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 |
| Concurrency | 8-12% | - Use parallel streams and CompletableFuture - Create and manage threads, use ExecutorService, Callable and Future - Use synchronization, locks, atomic variables and concurrent collections |
| 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 |
| Exception Handling and Assertions | 8-12% | - Use try-catch-finally, try-with-resources, throw and throws - Create custom exceptions and use standard exceptions - Use assertions appropriately |
| Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
| Lambda Expressions and Streams | 12-18% | - Create and use stream pipelines, including intermediate and terminal operations - Define and use functional interfaces and lambda expressions - Use Optional class and primitive type streams |
| Working with Java Data Types | 10-15% | - Manipulate numeric values and formatting - Handle text using String, StringBuilder and StringBuffer classes - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting |
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