Oracle 1Z0-819日本語 : Java SE 11 Developer (1Z0-819日本語版)
- Exam Code: 1Z0-819日本語
- Exam Name: Java SE 11 Developer (1Z0-819日本語版)
- Updated: Aug 17, 2026
- Q & A: 297 Questions and Answers
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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:
- Annotations
- Java I/O API
- Database Applications with JDBC
- Java Platform Module System
- Working with Java data types
- Working with Arrays and Collections
- Java Object-Oriented Approach
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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:
- Be a professional programmer with Java experience
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
- Exposure to the Java programming language
- Desirable to have completed some or all of my Java Masterclass
- Have a desire to get Java certified and earn more money
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.
Who should take the Java SE 11 Developer Exam Number: 1Z0-819
This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency | 10% | - Use parallel streams to improve performance - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks |
| Java Platform Module System | 10% | - Migrate applications to use modules - Explain the default modules and class path - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Deploy and execute modules - Declare module dependencies |
| Annotations | 5% | - Create custom annotations - Describe the purpose of annotations - Apply standard annotations to classes and methods |
| Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Create try-catch blocks and understand exception propagation - Use standard exception classes - Describe the advantages of exception handling - Use assertions - Create and throw custom exceptions |
| I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system - Use Stream API with files - Use NIO2 API to work with file systems and file attributes |
| Working with Java OOP | 15% | - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields - Implement encapsulation - Implement inheritance - Implement polymorphism - Use abstract classes and interfaces - Apply the static keyword to methods and fields |
| Working with Streams and Lambda expressions | 13% | - Use method references with streams - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Describe the Stream interface and pipeline - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use switch statements - Use Java control statements - Use if and if/else statements - Use break and continue statements |
| Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Call methods on objects - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods - Read or write to object fields - Create and manipulate strings |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Validate user input |
| Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Use parameterized queries - Connect to a database using JDBC - Execute queries and process results |
| Working with Arrays and Collections | 8% | - Sort elements in a collection - Iterate through a collection - Filter a collection using lambda expressions - Search for elements in a collection - Use generic types and diamond operator - Create a list, set, map, or queue collection |
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