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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:
- Sort collections and arrays using Comparator and Comparable interfaces
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Use generics, including wildcards
- Use Java Streams to filter, transform and process data
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- 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
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
The benefit in Obtaining the 1Z0-819 Exam Certification
- Java SE 11 Developer Exam will be confident and stand different from others as their skills are more trained than non-certified professionals
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- Java SE 11 Developer Exam can give them an edge at that time easily when candidates appear for a job interview employers seek to notify something which differentiates the individual to another
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Oracle 1Z0-819 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1Z0-819 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 50 |
| Certificate Validity Period: | No expiration |
| Related Certifications: | Oracle Certified Professional: Java SE 17 Developer Oracle Certified Professional: Java SE 21 Developer |
| Exam Price: | USD $245 |
| Available Languages: | Chinese (Traditional, Taiwan only), English |
| Passing Score: | 68% |
| Exam Format: | Multiple Select, Multiple Choice |
| Recommended Training: | Java SE 11 Developer Training |
| Exam Registration: | Pearson VUE Oracle University |
| Sample Questions: | Oracle 1Z0-819 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: solid Java programming knowledge and development experience |
| Official Syllabus URL: | https://education.oracle.com/product/pexam_1z0-819 |
Average Salary of Java SE 11 Developer Exam Number: 1Z0-819 Certified Professionals
The average salary is between $71k and $103k.
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 2: Java Object-Oriented Approach | 15-20% | - Overload and override methods, use constructors and initializers - Apply encapsulation, inheritance, polymorphism and abstraction - Use local variable type inference - Declare and instantiate classes, interfaces, abstract classes and nested classes |
| Topic 3: Concurrency | 8-12% | - Use synchronization, locks, atomic variables and concurrent collections - Use parallel streams and CompletableFuture - Create and manage threads, use ExecutorService, Callable and Future |
| Topic 4: 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 5: 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 6: Java I/O and NIO.2 | 8-12% | - Read and write data using streams, readers, writers and channels - Manage files, directories and file attributes with java.nio.file API - Implement serialization and deserialization |
| Topic 7: JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
| Topic 8: Java Platform Module System | 8-12% | - Compile, package and run modular applications - Use automatic modules and unnamed modules - Define modules, module declarations, requires, exports, opens, uses and provides |
| Topic 9: Working with Java Data Types | 10-15% | - Handle text using String, StringBuilder and StringBuffer classes - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Manipulate numeric values and formatting |
| Topic 10: Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
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