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: Sep 15, 2026 Q & A: 297 Questions and Answers
About Pass4guide Oracle 1Z0-819日本語 Latest Prep Cram
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.
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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- Java SE 11 Developer Exam provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience
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- Java SE 11 Developer Exam have the knowledge to use the tools to complete the task efficiently and cost effectively than the other non-certified professionals lack in doing so
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Prevent SQL injection and other attacks - Validate user input |
| Topic 2: Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations |
| Topic 3: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Execute queries and process results - Describe the advantages of using a connection pool - Use parameterized queries |
| Topic 4: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks |
| Topic 5: Controlling Program Flow | 10% | - Use Java control statements - Use break and continue statements - Use if and if/else statements - Use for, while, and do/while loops - Use switch statements |
| Topic 6: Working with Arrays and Collections | 8% | - Sort elements in a collection - Filter a collection using lambda expressions - Create a list, set, map, or queue collection - Iterate through a collection - Search for elements in a collection - Use generic types and diamond operator |
| Topic 7: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Deploy and execute modules - Explain the default modules and class path - Migrate applications to use modules - Declare module dependencies - Use jdeps to determine dependencies |
| Topic 8: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system |
| Topic 9: Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Topic 10: Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation - Use standard exception classes - Use assertions - Use resource bundles and locale classes for internationalization |
| Topic 11: Working with Java data types | 12% | - Call methods on objects - Create and manipulate strings - Differentiate between object reference variables and primitive variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Declare and initialize variables - Manipulate data using the StringBuilder class and its methods - Read or write to object fields |
| Topic 12: Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Create inner classes and use them within other classes - Implement inheritance - Use abstract classes and interfaces - Implement polymorphism - Apply the static keyword to methods and fields - Implement encapsulation |
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