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