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:
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
- Sort collections and arrays using Comparator and Comparable interfaces
- Use Java Streams to filter, transform and process data
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
- Use generics, including wildcards
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:
- Initialize objects and their members using instance and static initialiser statements and constructors
- Handle file system objects using java.nio.file API
- Read and write console and file data using I/O Streams
- Understand variable scopes, apply encapsulation and make objects immutable
- Create and use subclasses and superclasses, including abstract classes
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Create and use enumerations
- Declare, use, and expose modules, including the use of services
- Define and use fields and methods, including instance, static and overloaded methods
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Create, apply, and process annotations
- Implement serialization and deserialization techniques on Java objects
- Deploy and execute modular applications, including automatic modules
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
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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. GetValidTest.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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Questions in the certification examination are based on the real-world scenarios and cater to the real-time problems implementation difficulties, hence along with all the training material and tutorial it is of utmost importance for the candidate to possess practical knowledge and experience of working in the field of Java technology.
For more info read reference:
1Z0-006 Official Certification Site Oracle Cloud Learning Resources
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 2: Lambda Expressions and Streams | 12-18% | - Create and use stream pipelines, including intermediate and terminal operations - Define and use functional interfaces and lambda expressions - Use Optional class and primitive type streams |
| Topic 3: 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 4: Java Object-Oriented Approach | 15-20% | - Use local variable type inference - Overload and override methods, use constructors and initializers - Declare and instantiate classes, interfaces, abstract classes and nested classes - Apply encapsulation, inheritance, polymorphism and abstraction |
| Topic 5: Secure Coding and Localization | 5-8% | - Apply secure coding practices, input validation and data protection - Use Locale, ResourceBundle and formatting APIs for internationalization |
| Topic 6: Concurrency | 8-12% | - Create and manage threads, use ExecutorService, Callable and Future - Use parallel streams and CompletableFuture - Use synchronization, locks, atomic variables and concurrent collections |
| Topic 7: 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 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: JDBC Database Access | 5-8% | - Process result sets, manage transactions and resources - Connect to databases, execute queries and updates |
| 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 |
