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Java SE 11 Developer: 1Z0-819 Exam
"Java SE 11 Developer", also known as 1Z0-819 exam, is a Oracle Certification. With the complete collection of questions and answers, ExamcollectionPass has assembled to take you through 297 Q&As to your 1Z0-819 Exam preparation. In the 1Z0-819 exam resources, you will cover every field and category in Oracle Java SE Certification helping to ready you for your successful Oracle Certification.
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Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Java Object-Oriented Approach
- Working with Java data types
- Java I/O API
- Java Platform Module System
- Working with Arrays and Collections
- Annotations
- Database Applications with JDBC
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.
How to book the Java SE 11 Developer Exam Number: 1Z0-819
You register with an Oracle partner pearsonvue.com, tie your Oracle account, choose whether you want to pass in the center or from home. If you choose the option from home, you will be followed through the camera and microphone throughout the exam, there should be no one in the room, you can not talk to anyone and look only at the screen, the Internet must be stable, without troubles, otherwise, the result will be canceled.
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: Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Topic 2: Controlling Program Flow | 10% | - Use if and if/else statements - Use switch statements - Use for, while, and do/while loops - Use Java control statements - Use break and continue statements |
| Topic 3: Working with Java OOP | 15% | - Use abstract classes and interfaces - Apply the final keyword to classes, methods, and fields - Implement inheritance - Apply the static keyword to methods and fields - Create inner classes and use them within other classes - Implement polymorphism - Implement encapsulation |
| Topic 4: Exception Handling and Localization | 10% | - Use assertions - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Use resource bundles and locale classes for internationalization - Use standard exception classes - Describe the advantages of exception handling |
| Topic 5: Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Use parameterized queries - Connect to a database using JDBC - Execute queries and process results |
| Topic 6: Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Use generic types and diamond operator - Iterate through a collection - Filter a collection using lambda expressions - Search for elements in a collection - Sort elements in a collection |
| Topic 7: Working with Java data types | 12% | - Differentiate between object reference variables and primitive variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Declare and initialize variables - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings - Read or write to object fields |
| Topic 8: Java Platform Module System | 10% | - Migrate applications to use modules - Use jdeps to determine dependencies - Declare module dependencies - Explain the concept of module exports and requires - Deploy and execute modules - Explain the default modules and class path |
| Topic 9: Working with Streams and Lambda expressions | 13% | - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions - Use method references with streams - Use the Stream API to perform terminal operations - Filter a collection using lambda expressions |
| 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: Concurrency | 10% | - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Use ExecutorService to concurrently execute tasks |
| Topic 12: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - 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 Path interface to manipulate file paths |
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