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Certification Path for Java SE 11 Developer Exam Number: 1Z0-819
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.
Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Create, apply, and process annotations
- Handle file system objects using java.nio.file API
- Define and use fields and methods, including instance, static and overloaded methods
- Deploy and execute modular applications, including automatic modules
- Understand variable scopes, apply encapsulation and make objects immutable
- Read and write console and file data using I/O Streams
- Declare, use, and expose modules, including the use of services
- Create and use subclasses and superclasses, including abstract classes
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Initialize objects and their members using instance and static initialiser statements and constructors
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Create and use enumerations
- Implement serialization and deserialization techniques on Java objects
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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If you have at least some programming experience, we recommend using the ORACLE 1Z0-006 practice exam and ORACLE 1Z0-006 practice exams exam dumps and practice exams written for exam 1z0-816 and it covers most of what will be on the exam. BraindumpsIT.con also has practice exams to prepare for the exam. Also, you can find mock exams to check the knowledge learned after reading the book.
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 |
| Topic 2: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 3: 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 4: Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| Topic 5: 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 |
| Topic 6: 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 |
| Topic 7: 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 |
| Topic 8: 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 9: 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 10: 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 |
