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Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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1Z0-006 Official Certification Site Oracle Cloud Learning Resources
Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps pdf:
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Sort collections and arrays using Comparator and Comparable interfaces
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
- Use generics, including wildcards
- Use Java Streams to filter, transform and process data
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.
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java Platform Module System | 10% | - Deploy and execute modules - Migrate applications to use modules - Explain the concept of module exports and requires - Explain the default modules and class path - Use jdeps to determine dependencies - Declare module dependencies |
| Concurrency | 10% | - Use parallel streams to improve performance - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Identify potential threading problems - Use ExecutorService to concurrently execute tasks |
| 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 |
| Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Use standard exception classes - Create try-catch blocks and understand exception propagation - Use assertions - Create and throw custom exceptions |
| Controlling Program Flow | 10% | - Use switch statements - Use for, while, and do/while loops - Use Java control statements - Use if and if/else statements - Use break and continue statements |
| Working with Arrays and Collections | 8% | - Filter a collection using lambda expressions - Search for elements in a collection - Iterate through a collection - Use generic types and diamond operator - Sort elements in a collection - Create a list, set, map, or queue collection |
| Working with Java data types | 12% | - Read or write to object fields - Call methods on objects - Differentiate between object reference variables and primitive variables - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings |
| I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - 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 |
| Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Database Applications with JDBC | 5% | - Use parameterized queries - Connect to a database using JDBC - Describe the advantages of using a connection pool - Execute queries and process results |
| 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 encapsulation - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Implement inheritance |
| Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use method references with streams - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations |
