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