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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:
- Working with Arrays and Collections
- Java Platform Module System
- Database Applications with JDBC
- Annotations
- Java Object-Oriented Approach
- Java I/O API
- Working with Java data types
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
Oracle 1Z0-819日本語 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Available Languages: | English, Japanese, Chinese, Portuguese, Spanish |
| Exam Price: | $245 USD |
| Passing Score: | 68% |
| Real Exam Qty: | 80 |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Exam Format: | Multiple Choice, Multiple Select |
| 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 |
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:
- Create and use subclasses and superclasses, including abstract classes
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Define and use fields and methods, including instance, static and overloaded methods
- Create, apply, and process annotations
- Handle file system objects using java.nio.file API
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Deploy and execute modular applications, including automatic modules
- Implement serialization and deserialization techniques on Java objects
- Understand variable scopes, apply encapsulation and make objects immutable
- Create and use enumerations
- Initialize objects and their members using instance and static initialiser statements and constructors
- Declare, use, and expose modules, including the use of services
- Read and write console and file data using I/O Streams
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Controlling Program Flow | 10% | - Use switch statements - Use if and if/else statements - Use break and continue statements - Use Java control statements - Use for, while, and do/while loops |
| Topic 2: Exception Handling and Localization | 10% | - Create and throw custom exceptions - Describe the advantages of exception handling - Use standard exception classes - Create try-catch blocks and understand exception propagation - Use assertions - Use resource bundles and locale classes for internationalization |
| Topic 3: Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Create and manipulate strings - Call methods on objects - Declare and initialize variables - Manipulate data using the StringBuilder class and its methods - Read or write to object fields - Differentiate between object reference variables and primitive variables |
| Topic 4: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects |
| Topic 5: Working with Java OOP | 15% | - Create inner classes and use them within other classes - Implement inheritance - Use abstract classes and interfaces - Implement polymorphism - Apply the final keyword to classes, methods, and fields - Implement encapsulation - Apply the static keyword to methods and fields |
| Topic 6: Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Prevent SQL injection and other attacks - Validate user input |
| Topic 7: Working with Arrays and Collections | 8% | - Sort elements in a collection - Iterate through a collection - Use generic types and diamond operator - Create a list, set, map, or queue collection - Filter a collection using lambda expressions - Search for elements in a collection |
| Topic 8: Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Topic 9: Database Applications with JDBC | 5% | - Execute queries and process results - Use parameterized queries - Describe the advantages of using a connection pool - Connect to a database using JDBC |
| Topic 10: 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 11: 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 functional interfaces with lambda expressions - Use method references with streams |
| Topic 12: Java Platform Module System | 10% | - Explain the default modules and class path - Explain the concept of module exports and requires - Declare module dependencies - Deploy and execute modules - Use jdeps to determine dependencies - Migrate applications to use modules |
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