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Passing the Oracle 1z1-819 (Java SE 11 Developer) Exam is a great accomplishment for Java developers who want to validate their skills and knowledge in Java SE 11 programming. It can enhance their career opportunities and give them recognition in the industry. However, it requires strong knowledge and experience in Java programming, and candidates should be well-prepared before taking the exam.
Passing the Oracle 1z1-819 exam is an excellent way for Java developers to demonstrate their skills and knowledge to potential employers. It is also a great way to enhance their career prospects and increase their earning potential. 1z1-819-JPN exam is recognized globally and is a valuable credential for developers who want to work with Java SE 11. Overall, the Oracle 1z1-819 exam is a challenging and rewarding certification that can help Java developers take their careers to the next level.
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Oracle 1Z0-819 certification exam is designed to test the skills and knowledge of Java developers who work with the Java SE 11 platform. Java SE 11 Developer (1Z0-819日本語版) certification is for developers who want to demonstrate their proficiency in Java programming language and build applications using the latest Java technologies. It is recommended for developers who have experience in Java development and want to advance their career.
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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% | - Validate user input - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Secure sensitive data |
| Topic 2: Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance |
| Topic 3: Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Topic 4: Working with Java OOP | 15% | - Use abstract classes and interfaces - Implement polymorphism - Implement inheritance - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Create inner classes and use them within other classes |
| Topic 5: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use break and continue statements - Use switch statements - Use Java control statements - Use if and if/else statements |
| Topic 6: Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Filter a collection using lambda expressions |
| Topic 7: Java Platform Module System | 10% | - Declare module dependencies - Migrate applications to use modules - Explain the default modules and class path - Deploy and execute modules - Use jdeps to determine dependencies - Explain the concept of module exports and requires |
| Topic 8: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results |
| Topic 9: Exception Handling and Localization | 10% | - Create and throw custom exceptions - Use standard exception classes - Use assertions - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Create try-catch blocks and understand exception propagation |
| Topic 10: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Read and write console and file input/output using Java I/O system - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes |
| Topic 11: Working with Java data types | 12% | - Declare and initialize variables - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Manipulate data using the StringBuilder class and its methods - Call methods on objects - Differentiate between object reference variables and primitive variables |
| Topic 12: Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Sort elements in a collection - Iterate through a collection - Filter a collection using lambda expressions - Search for elements in a collection - Create a list, set, map, or queue collection |
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