Java SE 11 Developer (1Z0-819日本語版): 1Z0-819 Exam
"Java SE 11 Developer (1Z0-819日本語版)", also known as 1Z0-819 exam, is a Oracle Certification. With the complete collection of questions and answers, PrepPDF 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 Code: 1Z0-819
- Exam Name: Java SE 11 Developer (1Z0-819日本語版)
- Certification Provider: Oracle
- Corresponding Certification: Oracle Java SE
- Updated: Jul 20, 2026
- No. of Questions: 297 Questions & Answers with Testing Engine
- Download Limit: Unlimited
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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
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How to Prepare For Java SE 11 Developer Exam Number: 1Z0-819
Preparation Guide for Java SE 11 Developer Exam Number: 1Z0-819
Introduction for Java SE 11 Developer Exam Number: 1Z0-819
1Z0-006 exam is for those that have completed the Database Foundations, Database Design and Programming with SQL (Oracle Academy training), Oracle Database 12c Administration Workshop or Oracle Database Introduction to SQL training. Passing this exam gives the certification credential demonstrating your understanding of the different types of database models and components. And, you will enhance knowledge of database components, concepts and design, implementation of business roles, SQL language and queries, and ERD modeling and languages to manage data and transactions.
The Java SE 11 Developer Exam Number: 1Z0-819 is recommended for the following candidates who have:
- Exposure to the Java programming language
- Have a desire to get Java certified and earn more money
- Be a professional programmer with Java experience
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
- Desirable to have completed some or all of my Java Masterclass
Becoming Java certified is a great way to help improve your career options with more job opportunities and more pay. That's because Oracle's Java certification program, unlike many other certifications out there, has real value in the industry. One of the main reasons is that it's an official Oracle certification, but second, the exam is quite difficult to pass. Employers see programmers who are Java certified as more valuable than programmers who are not certified. So it's totally worth getting Java certified to take advantage of this.
ORACLE 1Z0-006 practice exams and ORACLE 1Z0-006 practice exams are designed specifically for candidates to gain an uperhand on experience and knowledge to get through this exam.
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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:
- Understand variable scopes, apply encapsulation and make objects immutable
- Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Declare, use, and expose modules, including the use of services
- Read and write console and file data using I/O Streams
- Create and use enumerations
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Connect to and perform database SQL operations, process query results using JDBC API Annotations
- Create, apply, and process annotations
- Initialize objects and their members using instance and static initialiser statements and constructors
- Handle file system objects using java.nio.file API
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Deploy and execute modular applications, including automatic modules
- Create and use subclasses and superclasses, including abstract classes
- Define and use fields and methods, including instance, static and overloaded methods
- Implement serialization and deserialization techniques on Java objects
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: I/O (Fundamentals and NIO2) | 7% | - 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 - Use Stream API with files |
| Topic 2: Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Create inner classes and use them within other classes - Implement inheritance - Implement encapsulation - Implement polymorphism - Use abstract classes and interfaces |
| Topic 3: Controlling Program Flow | 10% | - Use Java control statements - Use for, while, and do/while loops - Use if and if/else statements - Use switch statements - Use break and continue statements |
| Topic 4: Java Platform Module System | 10% | - Declare module dependencies - Explain the default modules and class path - Migrate applications to use modules - Deploy and execute modules - Use jdeps to determine dependencies - Explain the concept of module exports and requires |
| Topic 5: Working with Arrays and Collections | 8% | - Sort elements in a collection - Search for elements in a collection - Filter a collection using lambda expressions - Iterate through a collection - Create a list, set, map, or queue collection - Use generic types and diamond operator |
| Topic 6: Database Applications with JDBC | 5% | - Describe the advantages of using a connection pool - Connect to a database using JDBC - Use parameterized queries - Execute queries and process results |
| Topic 7: Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Topic 8: Secure Coding in Java SE Application | 5% | - Validate user input - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Prevent SQL injection and other attacks |
| Topic 9: Working with Java data types | 12% | - Call methods on objects - Read or write to object fields - Differentiate between object reference variables and primitive variables - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) |
| Topic 10: Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations |
| Topic 11: Exception Handling and Localization | 10% | - Describe the advantages of exception handling - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Use assertions - Create try-catch blocks and understand exception propagation - Use standard exception classes |
| Topic 12: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Create worker threads using Runnable and Thread objects - Identify potential threading problems |
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