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How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Length of Exam: 85 min
- Types of questions: Performance Based Questions
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Examination Fees: $250 USD
- No. of Questions: 60 Questions
- Passing Score: 60% or higher
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.
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Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.
To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.
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 |
|---|---|---|
| Exception Handling and Localization | 10% | - Use assertions - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Use standard exception classes |
| 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 |
| Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Java Platform Module System | 10% | - Explain the default modules and class path - Use jdeps to determine dependencies - Migrate applications to use modules - Explain the concept of module exports and requires - Declare module dependencies - Deploy and execute modules |
| Database Applications with JDBC | 5% | - Connect to a database using JDBC - Execute queries and process results - Use parameterized queries - Describe the advantages of using a connection pool |
| Working with Java OOP | 15% | - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Implement polymorphism - Implement inheritance - Apply the final keyword to classes, methods, and fields - Implement encapsulation |
| Concurrency | 10% | - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Identify potential threading problems - Use java.util.concurrent atomic classes and ForkJoinPool - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Search for elements in a collection - Create a list, set, map, or queue collection - Sort elements in a collection - Filter a collection using lambda expressions - Use generic types and diamond operator |
| Working with Java data types | 12% | - 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 - Call methods on objects - Read or write to object fields - Manipulate data using the StringBuilder class and its methods |
| Working with Streams and Lambda expressions | 13% | - Describe the Stream interface and pipeline - Use the Stream API to perform terminal operations - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions |
| Controlling Program Flow | 10% | - Use if and if/else statements - Use for, while, and do/while loops - Use switch statements - Use Java control statements - Use break and continue statements |
| Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Validate user input |
