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How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Examination Fees: $250 USD
- Types of questions: Performance Based Questions
- Length of Exam: 85 min
- Passing Score: 60% or higher
- No. of Questions: 60 Questions
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
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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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: I/O (Fundamentals and NIO2) | 7% | - 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 - Use Stream API with files |
| Topic 2: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance |
| Topic 3: Database Applications with JDBC | 5% | - Execute queries and process results - Use parameterized queries - Connect to a database using JDBC - Describe the advantages of using a connection pool |
| Topic 4: Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Topic 5: Working with Java OOP | 15% | - Implement polymorphism - Use abstract classes and interfaces - Apply the final keyword to classes, methods, and fields - Implement inheritance - Implement encapsulation - Apply the static keyword to methods and fields - Create inner classes and use them within other classes |
| Topic 6: 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 |
| Topic 7: Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Use standard exception classes - Create try-catch blocks and understand exception propagation - Use assertions |
| Topic 8: Working with Java data types | 12% | - Read or write to object fields - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Call methods on objects - Differentiate between object reference variables and primitive variables - Create and manipulate strings - Declare and initialize variables - Manipulate data using the StringBuilder class and its methods |
| Topic 9: Controlling Program Flow | 10% | - Use if and if/else statements - Use for, while, and do/while loops - Use Java control statements - Use switch statements - Use break and continue statements |
| Topic 10: Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Sort elements in a collection - Use generic types and diamond operator - Search for elements in a collection - Iterate through a collection - Create a list, set, map, or queue collection |
| Topic 11: Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Topic 12: Java Platform Module System | 10% | - Declare module dependencies - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Deploy and execute modules - Migrate applications to use modules - Explain the default modules and class path |
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