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1Z0-006 Official Certification Site Oracle Cloud Learning Resources
What is Java SE 11 Developer Exam Number: 1Z0-819 Certification Exam and Retake policy
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 |
|---|---|---|
| Working with Streams and Lambda expressions | 13% | - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use the Stream API to perform terminal operations - Use method references with streams - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Describe the Stream interface and pipeline |
| Java Platform Module System | 10% | - Use jdeps to determine dependencies - Explain the default modules and class path - Explain the concept of module exports and requires - Declare module dependencies - Deploy and execute modules - Migrate applications to use modules |
| Concurrency | 10% | - Identify potential threading problems - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks |
| Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Sort elements in a collection - Search for elements in a collection - Use generic types and diamond operator - Create a list, set, map, or queue collection - Filter a collection using lambda expressions |
| Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Validate user input - Prevent SQL injection and other attacks |
| Controlling Program Flow | 10% | - Use if and if/else statements - Use break and continue statements - Use Java control statements - Use for, while, and do/while loops - Use switch statements |
| Working with Java OOP | 15% | - Create inner classes and use them within other classes - Implement polymorphism - Apply the final keyword to classes, methods, and fields - Implement inheritance - Implement encapsulation - Use abstract classes and interfaces - Apply the static keyword to methods and fields |
| Exception Handling and Localization | 10% | - Use standard exception classes - Create try-catch blocks and understand exception propagation - Use assertions - Describe the advantages of exception handling - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization |
| Working with Java data types | 12% | - Declare and initialize variables - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Call methods on objects - Read or write to object fields |
| I/O (Fundamentals and NIO2) | 7% | - 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 - Use Path interface to manipulate file paths |
| Database Applications with JDBC | 5% | - Execute queries and process results - Describe the advantages of using a connection pool - Connect to a database using JDBC - Use parameterized queries |
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