Oracle 1Z0-819日本語 Exam Questions : Java SE 11 Developer (1Z0-819日本語版)
- Exam Code: 1z1-819-JPN
- Exam Name: Java SE 11 Developer (1Z0-819日本語版)
- Updated: Jul 24, 2026
- Q&As: 297 Questions and Answers
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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:
- Desirable to have completed some or all of my Java Masterclass
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
- Exposure to the Java programming language
- Have a desire to get Java certified and earn more money
- Be a professional programmer with Java experience
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.
Average Salary of Java SE 11 Developer Exam Number: 1Z0-819 Certified Professionals
The average salary is between $71k and $103k.
How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Length of Exam: 85 min
- Examination Fees: $250 USD
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Types of questions: Performance Based Questions
- Passing Score: 60% or higher
- No. of Questions: 60 Questions
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java Platform Module System | 10% | - Use jdeps to determine dependencies - Migrate applications to use modules - Explain the concept of module exports and requires - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path |
| Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Prevent SQL injection and other attacks - Validate user input |
| Working with Java data types | 12% | - Create and manipulate strings - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Read or write to object fields - Manipulate data using the StringBuilder class and its methods - Call methods on objects |
| Annotations | 5% | - Apply standard annotations to classes and methods - Describe the purpose of annotations - Create custom annotations |
| Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Use abstract classes and interfaces - Create inner classes and use them within other classes - Implement inheritance - Implement polymorphism - Apply the final keyword to classes, methods, and fields - Implement encapsulation |
| Controlling Program Flow | 10% | - Use Java control statements - Use for, while, and do/while loops - Use break and continue statements - Use if and if/else statements - Use switch statements |
| 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 Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Search for elements in a collection - Use generic types and diamond operator - Iterate through a collection - Filter a collection using lambda expressions - Sort elements in a collection |
| Exception Handling and Localization | 10% | - Create and throw custom exceptions - Describe the advantages of exception handling - Use assertions - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization - Use standard exception classes |
| Working with Streams and Lambda expressions | 13% | - Use method references with streams - Use the Stream API to perform terminal operations - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Filter a collection using lambda expressions |
| I/O (Fundamentals and NIO2) | 7% | - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system - Use Stream API with files - Use NIO2 API to work with file systems and file attributes |
| Concurrency | 10% | - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Use parallel streams to improve performance - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword |
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