You register with an Oracle partner pearsonvue.com, tie your Oracle account, choose whether you want to pass in the center or from home. If you choose the option from home, you will be followed through the camera and microphone throughout the exam, there should be no one in the room, you can not talk to anyone and look only at the screen, the Internet must be stable, without troubles, otherwise, the result will be canceled.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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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.
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths |
| Topic 2: Database Applications with JDBC | 5% | - Execute queries and process results - Connect to a database using JDBC - Describe the advantages of using a connection pool - Use parameterized queries |
| Topic 3: Working with Java OOP | 15% | - Implement encapsulation - Apply the static keyword to methods and fields - Create inner classes and use them within other classes - Use abstract classes and interfaces - Implement inheritance - Apply the final keyword to classes, methods, and fields - Implement polymorphism |
| Topic 4: Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance |
| Topic 5: Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Call methods on objects - Read or write to object fields - Declare and initialize variables - Create and manipulate strings - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods |
| Topic 6: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent SQL injection and other attacks - Validate user input - Prevent Denial of Service (DoS) attacks |
| Topic 7: Java Platform Module System | 10% | - Explain the default modules and class path - Deploy and execute modules - Declare module dependencies - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Migrate applications to use modules |
| Topic 8: Working with Arrays and Collections | 8% | - Search for elements in a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Create a list, set, map, or queue collection - Iterate through a collection - Sort elements in a collection |
| Topic 9: Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Topic 10: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Use standard exception classes - Use assertions - Describe the advantages of exception handling |
| Topic 11: Controlling Program Flow | 10% | - Use if and if/else statements - Use break and continue statements - Use for, while, and do/while loops - Use Java control statements - Use switch statements |
| Topic 12: Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions |
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