Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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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.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Certification Path for Java SE 11 Developer Exam Number: 1Z0-819
Java SE 11 Developer Exam Number: 1Z0-819 is a fundamental exam. Successful completion by candidates will allow them to achieve Oracle Certified Professional: Java SE 11 Developer.
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Concurrency | 10% | - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Use ExecutorService to concurrently execute tasks - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance |
| Topic 2: Controlling Program Flow | 10% | - Use Java control statements - Use switch statements - Use if and if/else statements - Use break and continue statements - Use for, while, and do/while loops |
| Topic 3: 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 4: I/O (Fundamentals and NIO2) | 7% | - Read and write console and file input/output using Java I/O system - Use Path interface to manipulate file paths - Use Stream API with files - Use NIO2 API to work with file systems and file attributes |
| Topic 5: Working with Streams and Lambda expressions | 13% | - Use method references with streams - Use the Stream API to perform terminal operations - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Topic 6: Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Topic 7: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Use standard exception classes - Use assertions - Describe the advantages of exception handling - Create try-catch blocks and understand exception propagation |
| Topic 8: Working with Java data types | 12% | - Declare and initialize variables - Manipulate data using the StringBuilder class and its methods - Call methods on objects - Read or write to object fields - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables |
| Topic 9: Java Platform Module System | 10% | - Deploy and execute modules - Use jdeps to determine dependencies - Migrate applications to use modules - Declare module dependencies - Explain the default modules and class path - Explain the concept of module exports and requires |
| Topic 10: Working with Java OOP | 15% | - Use abstract classes and interfaces - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Implement inheritance - Implement polymorphism - Create inner classes and use them within other classes - Implement encapsulation |
| Topic 11: Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Create a list, set, map, or queue collection - Sort elements in a collection - Search for elements in a collection - Filter a collection using lambda expressions - Iterate through a collection |
| Topic 12: 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 |
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