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Updated: Sep 05, 2026
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Certification Path for Java SE 11 Developer Exam Number: 1Z0-819
Java SE 11 Developer Exam Number: 1Z0-819 is a fundamental exam. Successful completion by candidates will allow them to achieve Oracle Certified Professional: Java SE 11 Developer.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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 and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Implement serialization and deserialization techniques on Java objects
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Understand variable scopes, apply encapsulation and make objects immutable
- Create and use subclasses and superclasses, including abstract classes
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Deploy and execute modular applications, including automatic modules
- Define and use fields and methods, including instance, static and overloaded methods
- Create, apply, and process annotations
- Initialize objects and their members using instance and static initialiser statements and constructors
- Read and write console and file data using I/O Streams
- Handle file system objects using java.nio.file API
- Declare, use, and expose modules, including the use of services
- Create and use enumerations
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. TrainingQuiz.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.
Practice exams are built to make students comfortable with the real exam environment. Statistics have shown that most students fail not due to that preparation but due to exam anxiety the fear of the unknown. It is recommended to prepare notes and practice 1Z0-819 Exam exam dumps.
Preparation for any certification could be challenging if the candidate has not done the proper planning and haven't used relevant study material source. On the internet candidate would be finding lots of ebook or material to study but the problem which one they should refer to and how to identify which one is genuine. To overcome with this challenging phase, TrainingQuiz came with their study plan covering course contents specific to Oracle Java SE 11 Developer Exam.
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.
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Real Exam Qty: | 80 |
| Exam Price: | $245 USD |
| Available Languages: | Japanese, Spanish, Chinese, English, Portuguese |
| Exam Format: | Multiple Select, Multiple Choice |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Exam Duration: | 90 minutes |
| Passing Score: | 68% |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Sample Questions: | Oracle 1Z0-819日本語 Sample Questions |
| Exam Way: | Pearson VUE testing centers (online proctored exam also available) |
| Pre Condition: | Oracle recommends but does not require candidates to first obtain the Oracle Certified Professional: Java SE 11 Programmer I (1Z0-815) certification. However, 1Z0-819 can be taken directly without 1Z0-815. |
| Official Syllabus URL: | https://education.oracle.com/java/java-se/product_oss_279 |
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Topic 2: Database Applications with JDBC | 5% | - Use parameterized queries - Execute queries and process results - Describe the advantages of using a connection pool - Connect to a database using JDBC |
| Topic 3: Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Create and manipulate strings - Read or write to object fields - Call methods on objects - Declare and initialize variables - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods |
| Topic 4: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system |
| Topic 5: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Validate user input - Secure sensitive data |
| Topic 6: Working with Java OOP | 15% | - Implement inheritance - Implement polymorphism - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields - Implement encapsulation |
| Topic 7: Exception Handling and Localization | 10% | - Use standard exception classes - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Use assertions - Describe the advantages of exception handling - Create try-catch blocks and understand exception propagation |
| Topic 8: Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Iterate through a collection - Search for elements in a collection - Use generic types and diamond operator - Sort elements in a collection - Create a list, set, map, or queue collection |
| Topic 9: Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Use method references with streams - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations |
| Topic 10: Controlling Program Flow | 10% | - Use if and if/else statements - Use switch statements - Use for, while, and do/while loops - Use break and continue statements - Use Java control statements |
| Topic 11: Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Create worker threads using Runnable and Thread objects - Identify potential threading problems - Use parallel streams to improve performance |
| Topic 12: Java Platform Module System | 10% | - Explain the default modules and class path - Declare module dependencies - Migrate applications to use modules - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Deploy and execute modules |
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