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Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool |
| Topic 2: I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system - Use Stream API with files |
| Topic 3: 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 - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use method references with streams - Use functional interfaces with lambda expressions |
| Topic 4: Controlling Program Flow | 10% | - Use if and if/else statements - Use break and continue statements - Use Java control statements - Use for, while, and do/while loops - Use switch statements |
| Topic 5: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Deploy and execute modules - Declare module dependencies - Use jdeps to determine dependencies - Explain the default modules and class path - Migrate applications to use modules |
| Topic 6: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Describe the advantages of using a connection pool - Execute queries and process results - Use parameterized queries |
| Topic 7: Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Prevent SQL injection and other attacks - Validate user input - Secure sensitive data |
| Topic 8: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Use assertions - Create and throw custom exceptions - Use standard exception classes - Create try-catch blocks and understand exception propagation |
| Topic 9: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 10: 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 - Sort elements in a collection - Use generic types and diamond operator |
| Topic 11: Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Implement polymorphism - Implement encapsulation - Implement inheritance |
| Topic 12: Working with Java data types | 12% | - Create and manipulate strings - Differentiate between object reference variables and primitive variables - Read or write to object fields - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods - Call methods on objects |
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