How to Prepare For Java SE 11 Developer Exam Number: 1Z0-819
Preparation Guide for Java SE 11 Developer Exam Number: 1Z0-819
Introduction for Java SE 11 Developer Exam Number: 1Z0-819
1Z0-006 exam is for those that have completed the Database Foundations, Database Design and Programming with SQL (Oracle Academy training), Oracle Database 12c Administration Workshop or Oracle Database Introduction to SQL training. Passing this exam gives the certification credential demonstrating your understanding of the different types of database models and components. And, you will enhance knowledge of database components, concepts and design, implementation of business roles, SQL language and queries, and ERD modeling and languages to manage data and transactions.
The Java SE 11 Developer Exam Number: 1Z0-819 is recommended for the following candidates who have:
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
- Exposure to the Java programming language
- Have a desire to get Java certified and earn more money
- Be a professional programmer with Java experience
- Desirable to have completed some or all of my Java Masterclass
Becoming Java certified is a great way to help improve your career options with more job opportunities and more pay. That's because Oracle's Java certification program, unlike many other certifications out there, has real value in the industry. One of the main reasons is that it's an official Oracle certification, but second, the exam is quite difficult to pass. Employers see programmers who are Java certified as more valuable than programmers who are not certified. So it's totally worth getting Java certified to take advantage of this.
ORACLE 1Z0-006 practice exams and ORACLE 1Z0-006 practice exams are designed specifically for candidates to gain an uperhand on experience and knowledge to get through this exam.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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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:
- Create, apply, and process annotations
- Read and write console and file data using I/O Streams
- Define and use fields and methods, including instance, static and overloaded methods
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Handle file system objects using java.nio.file API
- Create and use enumerations
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Understand variable scopes, apply encapsulation and make objects immutable
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Declare, use, and expose modules, including the use of services
- Implement serialization and deserialization techniques on Java objects
- Create and use subclasses and superclasses, including abstract classes
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Initialize objects and their members using instance and static initialiser statements and constructors
- Deploy and execute modular applications, including automatic modules
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| 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 |
| Arrays and Collections | 12-18% | - Use generics, wildcards and diamond notation - Sort and search collections and arrays - Create and manipulate arrays, lists, sets, maps, queues and deques |
| Secure Coding and Localization | 5-8% | - Use Locale, ResourceBundle and formatting APIs for internationalization - Apply secure coding practices, input validation and data protection |
| Java Object-Oriented Approach | 15-20% | - Overload and override methods, use constructors and initializers - Use local variable type inference - Declare and instantiate classes, interfaces, abstract classes and nested classes - Apply encapsulation, inheritance, polymorphism and abstraction |
| 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 |
| Working with Java Data Types | 10-15% | - Use primitives and wrapper classes, including operators, parentheses, type promotion and casting - Manipulate numeric values and formatting - Handle text using String, StringBuilder and StringBuffer classes |
| 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 |
| 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 |
| 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 |
| JDBC Database Access | 5-8% | - Connect to databases, execute queries and updates - Process result sets, manage transactions and resources |
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