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Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Working with Java data types
- Working with Arrays and Collections
- Java I/O API
- Annotations
- Java Platform Module System
- Java Object-Oriented Approach
- Database Applications with JDBC
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Controlling Program Flow | 10% | - Use switch statements - Use Java control statements - Use for, while, and do/while loops - Use break and continue statements - Use if and if/else statements |
| Topic 2: 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 |
| Topic 3: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Validate user input - Prevent SQL injection and other attacks |
| Topic 4: Exception Handling and Localization | 10% | - Use assertions - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Describe the advantages of exception handling - Use standard exception classes - Create try-catch blocks and understand exception propagation |
| Topic 5: Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions |
| Topic 6: Annotations | 5% | - Create custom annotations - Describe the purpose of annotations - Apply standard annotations to classes and methods |
| Topic 7: Java Platform Module System | 10% | - Declare module dependencies - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Explain the default modules and class path - Migrate applications to use modules - Deploy and execute modules |
| Topic 8: 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 9: Working with Java OOP | 15% | - Create inner classes and use them within other classes - Implement polymorphism - Implement encapsulation - Implement inheritance - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces |
| Topic 10: 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 |
| Topic 11: Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Create worker threads using Runnable and Thread objects - Identify potential threading problems - Use synchronized blocks and the volatile keyword |
| Topic 12: Working with Java data types | 12% | - Call methods on objects - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods - Declare and initialize variables - Differentiate between object reference variables and primitive variables - Read or write to object fields |
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