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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
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
- Java I/O API
- Annotations
- Database Applications with JDBC
- Working with Arrays and Collections
- Working with Java data types
- Java Object-Oriented Approach
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:
- Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
- Use generics, including wildcards
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
- 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 Java Streams to filter, transform and process data
- Sort collections and arrays using Comparator and Comparable interfaces
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Available Languages: | English, Japanese, Chinese, Portuguese, Spanish |
| Exam Price: | $245 USD |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Real Exam Qty: | 80 |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Exam Format: | Multiple Choice, Multiple Select |
| Passing Score: | 68% |
| Exam Duration: | 90 minutes |
| Sample Questions: | Oracle 1Z0-819日本語 Sample Questions |
| Exam Way: | Pearson VUE testing centers (online proctored exam also available) |
| Pre Condition: | Oracle recommends but does not require candidates to first obtain the Oracle Certified Professional: Java SE 11 Programmer I (1Z0-815) certification. However, 1Z0-819 can be taken directly without 1Z0-815. |
| Official Syllabus URL: | https://education.oracle.com/java/java-se/product_oss_279 |
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Implement encapsulation - Apply the final keyword to classes, methods, and fields - Create inner classes and use them within other classes - Implement inheritance - Implement polymorphism |
| Java Platform Module System | 10% | - Declare module dependencies - Deploy and execute modules - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Explain the default modules and class path - Migrate applications to use modules |
| Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems |
| Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Use assertions - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Use standard exception classes - Describe the advantages of exception handling |
| Working with Java data types | 12% | - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Create and manipulate strings - Declare and initialize variables - Differentiate between object reference variables and primitive variables - Read or write to object fields - Call methods on objects |
| 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 Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes |
| Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Controlling Program Flow | 10% | - Use switch statements - Use if and if/else statements - Use Java control statements - Use for, while, and do/while loops - Use break and continue statements |
| Working with Arrays and Collections | 8% | - Iterate through a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Search for elements in a collection - Create a list, set, map, or queue collection - Sort elements in a collection |
| Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use method references with streams - Filter a collection using lambda expressions - Use functional interfaces with lambda expressions |
| Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Execute queries and process results - Use parameterized queries - Connect to a database using JDBC |
| Secure Coding in Java SE Application | 5% | - Validate user input - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks |
By Harry
