Exam Name: Java SE 11 Developer (1Z0-819日本語版)
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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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
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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.
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use method references with streams - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations |
| Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Secure Coding in Java SE Application | 5% | - Secure sensitive data - Validate user input - Prevent Denial of Service (DoS) attacks - Prevent SQL injection and other attacks |
| Concurrency | 10% | - Identify potential threading problems - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects |
| Controlling Program Flow | 10% | - Use break and continue statements - Use switch statements - Use Java control statements - Use if and if/else statements - Use for, while, and do/while loops |
| Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Implement inheritance - Create inner classes and use them within other classes - Use abstract classes and interfaces - Apply the static keyword to methods and fields - Implement encapsulation - Implement polymorphism |
| Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Use assertions - Create and throw custom exceptions - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Use standard exception classes |
| Working with Java data types | 12% | - Read or write to object fields - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Call methods on objects - Create and manipulate strings - Manipulate data using the StringBuilder class and its methods - Declare and initialize variables |
| Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Execute queries and process results - Connect to a database using JDBC - Use parameterized queries |
| I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Stream API with files - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system |
| Java Platform Module System | 10% | - Use jdeps to determine dependencies - Migrate applications to use modules - Deploy and execute modules - Declare module dependencies - Explain the concept of module exports and requires - Explain the default modules and class path |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Search for elements in a collection - Filter a collection using lambda expressions - Use generic types and diamond operator - Create a list, set, map, or queue collection - Sort elements in a collection |
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