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To prepare for the Oracle 1Z0-819 exam, you can take advantage of a variety of resources, including official Oracle study materials, online courses, practice exams, and study groups. You can also gain practical experience by working on Java projects or contributing to open-source Java projects. By investing time and effort in preparing for the exam, you can increase your chances of passing the exam and earning the Oracle Certified Professional (OCP) credential in Java SE 11 Developer.
Oracle 1Z0-819 certification exam is ideal for Java developers who want to demonstrate their expertise in Java SE 11 programming and enhance their career prospects. It is also suitable for professionals who are looking to take their Java programming skills to the next level and stay up-to-date with the latest Java technologies and best practices.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Topic 2: Java Platform Module System | 10% | - Declare module dependencies - Migrate applications to use modules - Explain the default modules and class path - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Deploy and execute modules |
| Topic 3: Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Connect to a database using JDBC - Use parameterized queries - Execute queries and process results |
| Topic 4: Working with Arrays and Collections | 8% | - Sort elements in a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Search for elements in a collection - Iterate through a collection - Create a list, set, map, or queue collection |
| Topic 5: Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Implement encapsulation - Implement polymorphism - Implement inheritance - Create inner classes and use them within other classes - Use abstract classes and interfaces |
| Topic 6: 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 |
| Topic 7: Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Use standard exception classes - Create try-catch blocks and understand exception propagation - Use assertions |
| Topic 8: Working with Streams and Lambda expressions | 13% | - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use method references with streams |
| Topic 9: Controlling Program Flow | 10% | - Use break and continue statements - Use if and if/else statements - Use switch statements - Use for, while, and do/while loops - Use Java control statements |
| Topic 10: Working with Java data types | 12% | - Read or write to object fields - Create and manipulate strings - Declare and initialize variables - Call methods on objects - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods |
| Topic 11: Concurrency | 10% | - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance |
| Topic 12: I/O (Fundamentals and NIO2) | 7% | - Read and write console and file input/output using Java I/O system - Use Path interface to manipulate file paths - Use Stream API with files - Use NIO2 API to work with file systems and file attributes |
