Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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- Use local variable type inference, including as lambda parameters
- Handle text using String and StringBuilder classes
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Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Sort elements in a collection - Iterate through a collection - Filter a collection using lambda expressions - Search for elements in a collection - Use generic types and diamond operator |
| Topic 2: I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Use Stream API with files - Read and write console and file input/output using Java I/O system |
| Topic 3: Working with Java data types | 12% | - Manipulate data using the StringBuilder class and its methods - 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 - Read or write to object fields - Call methods on objects |
| Topic 4: Working with Java OOP | 15% | - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Implement encapsulation - Use abstract classes and interfaces - Implement polymorphism - Apply the final keyword to classes, methods, and fields - Implement inheritance |
| Topic 5: Secure Coding in Java SE Application | 5% | - Validate user input - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks |
| Topic 6: Java Platform Module System | 10% | - Migrate applications to use modules - Explain the default modules and class path - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Deploy and execute modules - Declare module dependencies |
| Topic 7: Database Applications with JDBC | 5% | - Use parameterized queries - Describe the advantages of using a connection pool - Connect to a database using JDBC - Execute queries and process results |
| Topic 8: Concurrency | 10% | - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword |
| Topic 9: Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Topic 10: Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Use assertions - Use standard exception classes - Describe the advantages of exception handling |
| Topic 11: Working with Streams and Lambda expressions | 13% | - Use method references with streams - Describe the Stream interface and pipeline - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Topic 12: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use break and continue statements - Use Java control statements - Use if and if/else statements - Use switch statements |
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