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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.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Java I/O API
- Working with Java data types
- Java Object-Oriented Approach
- Annotations
- Java Platform Module System
- Working with Arrays and Collections
- Database Applications with JDBC
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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: Lambda Expressions and Streams | 12-18% | - Use Optional class and primitive type streams - Define and use functional interfaces and lambda expressions - Create and use stream pipelines, including intermediate and terminal operations |
| 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: 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 5: Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Declare and instantiate classes, interfaces, abstract classes and nested classes - Apply encapsulation, inheritance, polymorphism and abstraction - Overload and override methods, use constructors and initializers |
| Topic 6: JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
| Topic 7: 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 8: 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 9: Exception Handling and Assertions | 8-12% | - Use assertions appropriately - Use try-catch-finally, try-with-resources, throw and throws - Create custom exceptions and use standard exceptions |
| 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 |
