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.
How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Length of Exam: 85 min
- No. of Questions: 60 Questions
- Examination Fees: $250 USD
- Passing Score: 60% or higher
- Types of questions: Performance Based Questions
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 2: Java Platform Module System | 10% | - Deploy and execute modules - Declare module dependencies - Explain the default modules and class path - Explain the concept of module exports and requires - Migrate applications to use modules - Use jdeps to determine dependencies |
| Topic 3: I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - 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 |
| Topic 4: Concurrency | 10% | - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Identify potential threading problems |
| Topic 5: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Use standard exception classes - Use assertions - Describe the advantages of exception handling - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions |
| Topic 6: 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 7: Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Read or write to object fields - Create and manipulate strings - Declare and initialize variables |
| Topic 8: Controlling Program Flow | 10% | - Use switch statements - Use Java control statements - Use break and continue statements - Use if and if/else statements - Use for, while, and do/while loops |
| Topic 9: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use the Stream API to perform terminal operations |
| Topic 10: Working with Java OOP | 15% | - Implement encapsulation - Implement inheritance - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Create inner classes and use them within other classes - Implement polymorphism |
| Topic 11: Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Sort elements in a collection - Search for elements in a collection - Iterate through a collection - Create a list, set, map, or queue collection - Use generic types and diamond operator |
| Topic 12: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Validate user input - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks |
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