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Average Salary of Java SE 11 Developer Exam Number: 1Z0-819 Certified Professionals
The average salary is between $71k and $103k.
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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 pdf:
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
- Use generics, including wildcards
- Use Java Streams to filter, transform and process data
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Sort collections and arrays using Comparator and Comparable interfaces
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
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.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Difficulty in Attempting Java SE 11 Developer Exam Number: 1Z0-819
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. ITexamGuide.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 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 2: Java Object-Oriented Approach | 15-20% | - Overload and override methods, use constructors and initializers - Declare and instantiate classes, interfaces, abstract classes and nested classes - Use local variable type inference - Apply encapsulation, inheritance, polymorphism and abstraction |
| Topic 3: 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 4: Java Platform Module System | 8-12% | - Use automatic modules and unnamed modules - Compile, package and run modular applications - Define modules, module declarations, requires, exports, opens, uses and provides |
| Topic 5: 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 6: 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 7: 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 8: 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 9: Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| Topic 10: 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 |
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