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Oracle 1Z0-819 Exam covers a wide range of topics, including Java syntax and semantics, object-oriented programming principles, collections, concurrency, JDBC, and more. It requires candidates to have a deep understanding of the Java programming language and the ability to apply their knowledge to solve complex problems.
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Oracle 1z1-819 (Java SE 11 Developer) certification exam is designed for Java developers who want to validate their skills in Java programming. 1z1-819 exam covers a wide range of topics including Java syntax, data types, control structures, and object-oriented programming concepts. 1z1-819 exam also covers advanced topics such as exception handling, multithreading, and database connectivity. Passing 1z1-819 exam demonstrates that a candidate has the necessary skills to develop applications using the Java programming language.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819 certification exam is a valuable credential that confirms the candidate's proficiency in Java SE 11 programming and demonstrates their commitment to professional development. By passing the exam, candidates can prove their skills to potential employers, increase their earning potential, and take their Java programming career to new heights.
Oracle 1z1-819 certification exam is one of the most popular Java certification exams offered by Oracle Corporation. 1z1-819 exam is designed for Java developers who want to demonstrate their proficiency in Java SE 11 programming. Passing 1z1-819 exam is a great way for Java developers to showcase their knowledge and skills to potential employers and clients.
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Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 |
| Topic 2: Lambda Expressions and Streams | 12-18% | - Use Optional class and primitive type streams - Create and use stream pipelines, including intermediate and terminal operations - Define and use functional interfaces and lambda expressions |
| Topic 3: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 4: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Topic 5: 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 |
| Topic 6: 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 7: 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 |
| Topic 8: Java Platform Module System | 8-12% | - Compile, package and run modular applications - Define modules, module declarations, requires, exports, opens, uses and provides - Use automatic modules and unnamed modules |
| Topic 9: 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 10: 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 |
