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1Z0-006 Official Certification Site Oracle Cloud Learning Resources
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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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.
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Exception Handling and Localization | 10% | - Use standard exception classes - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Use assertions - Use resource bundles and locale classes for internationalization |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Filter a collection using lambda expressions - Search for elements in a collection - Create a list, set, map, or queue collection - Use generic types and diamond operator - Sort elements in a collection |
| I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Use Stream API with files - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system |
| Working with Streams and Lambda expressions | 13% | - Use method references with streams - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions |
| Java Platform Module System | 10% | - Deploy and execute modules - Explain the default modules and class path - Migrate applications to use modules - Declare module dependencies - Use jdeps to determine dependencies - Explain the concept of module exports and requires |
| Working with Java OOP | 15% | - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Implement inheritance - Apply the final keyword to classes, methods, and fields - Implement polymorphism - Implement encapsulation |
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use switch statements - Use Java control statements - Use break and continue statements - Use if and if/else statements |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Validate user input - Prevent Denial of Service (DoS) attacks |
| Database Applications with JDBC | 5% | - Use parameterized queries - Execute queries and process results - Connect to a database using JDBC - Describe the advantages of using a connection pool |
| Working with Java data types | 12% | - Manipulate data using the StringBuilder class and its methods - Call methods on objects - Read or write to object fields - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Declare and initialize variables - Create and manipulate strings - Differentiate between object reference variables and primitive variables |
| Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool |
| Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
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