Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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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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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.
Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Java Platform Module System
- Working with Java data types
- Annotations
- Java I/O API
- Database Applications with JDBC
- Java Object-Oriented Approach
- Working with Arrays and Collections
Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Java data types | 12% | - Declare and initialize variables - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Create and manipulate strings |
| Topic 2: Working with Arrays and Collections | 8% | - Iterate through a collection - Sort elements in a collection - Filter a collection using lambda expressions - Create a list, set, map, or queue collection - Search for elements in a collection - Use generic types and diamond operator |
| Topic 3: 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 parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool |
| Topic 4: 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 - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Use method references with streams - Use functional interfaces with lambda expressions |
| Topic 5: Controlling Program Flow | 10% | - Use break and continue statements - Use Java control statements - Use if and if/else statements - Use for, while, and do/while loops - Use switch statements |
| Topic 6: Exception Handling and Localization | 10% | - Use standard exception classes - Use resource bundles and locale classes for internationalization - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Use assertions - Describe the advantages of exception handling |
| Topic 7: Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Implement encapsulation - Implement inheritance - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields - Implement polymorphism |
| Topic 8: 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 |
| Topic 9: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Describe the advantages of using a connection pool - Execute queries and process results - Use parameterized queries |
| Topic 10: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Validate user input - Prevent Denial of Service (DoS) attacks |
| Topic 11: Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Topic 12: Java Platform Module System | 10% | - Declare module dependencies - Explain the default modules and class path - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Migrate applications to use modules - Deploy and execute modules |
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