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Oracle Java SE 11 Developer : 1Z0-819
- Exam Code: Oracle
- Exam Name: Java SE 11 Developer
- Updated: Aug 26, 2026
- Q & A: 297 Questions and Answers
About Oracle Java SE 11 Developer : Oracle Exam
Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Java I/O API
- Annotations
- Database Applications with JDBC
- Java Platform Module System
- Working with Java data types
- Working with Arrays and Collections
- Java Object-Oriented Approach
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:
- Preferably have completed all or part of my Java Masterclass here on Udemy (or another Java course)
- Be a professional programmer with Java experience
- Have a desire to get Java certified and earn more money
- Exposure to the Java programming language
- 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.
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Java data types | 12% | - Declare and initialize variables - Differentiate between object reference variables and primitive variables - Call methods on objects - Read or write to object fields - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Create and manipulate strings |
| Topic 2: Working with Streams and Lambda expressions | 13% | - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Use method references with streams |
| Topic 3: Working with Java OOP | 15% | - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Implement inheritance - Implement encapsulation - Implement polymorphism |
| Topic 4: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Use parameterized queries - Execute queries and process results - Describe the advantages of using a connection pool |
| Topic 5: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 6: 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 |
| Topic 7: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Create and throw custom exceptions - Create try-catch blocks and understand exception propagation - Use standard exception classes - Use assertions |
| Topic 8: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system |
| Topic 9: Java Platform Module System | 10% | - Declare module dependencies - Explain the concept of module exports and requires - Use jdeps to determine dependencies - Migrate applications to use modules - Explain the default modules and class path - Deploy and execute modules |
| Topic 10: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems |
| Topic 11: Working with Arrays and Collections | 8% | - Search for elements in a collection - Sort elements in a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Iterate through a collection - Create a list, set, map, or queue collection |
| Topic 12: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use break and continue statements - Use if and if/else statements - Use switch statements - Use Java control statements |
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