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Oracle 1Z0-819 : Java SE 11 Developer
- Exam Code: 1Z0-819
- Exam Name: Java SE 11 Developer
- Updated: Sep 18, 2026 Q&As: 297 Questions and Answers
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Who should take the Java SE 11 Developer Exam Number: 1Z0-819
This exam helps students to understand the basic relational database concepts. Moreover, it will teach the students about data modeling concepts, building Entity Relationship Diagrams (ERDs), and mapping ERDs. Moreover, with this project-based learning techniques, students will be able to create and work with projects to design, implement, and demonstrate a database solution for a business or organization.
Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
- Handle text using String and StringBuilder classes
- Use local variable type inference, including as lambda parameters
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use the Stream API to perform terminal operations |
| Topic 2: I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Use Stream API with files - Read and write console and file input/output using Java I/O system - Use NIO2 API to work with file systems and file attributes |
| Topic 3: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Validate user input |
| Topic 4: Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Search for elements in a collection - Create a list, set, map, or queue collection - Iterate through a collection - Sort elements in a collection - Use generic types and diamond operator |
| Topic 5: Database Applications with JDBC | 5% | - Execute queries and process results - Connect to a database using JDBC - Use parameterized queries - Describe the advantages of using a connection pool |
| Topic 6: Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
| Topic 7: Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Implement polymorphism - Create inner classes and use them within other classes - Implement encapsulation - Implement inheritance - Use abstract classes and interfaces |
| Topic 8: Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Create and manipulate strings - Read or write to object fields - Declare and initialize variables - Call methods on objects - Manipulate data using the StringBuilder class and its methods |
| Topic 9: Exception Handling and Localization | 10% | - Create and throw custom exceptions - Use assertions - Use resource bundles and locale classes for internationalization - Use standard exception classes - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling |
| Topic 10: Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance |
| Topic 11: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use switch statements - Use break and continue statements - Use if and if/else statements - Use Java control statements |
| Topic 12: Java Platform Module System | 10% | - Declare module dependencies - Migrate applications to use modules - Explain the concept of module exports and requires - Explain the default modules and class path - Use jdeps to determine dependencies - Deploy and execute modules |
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