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Instant Download Oracle : 1Z0-819 Questions & Answers as PDF & Test Engine
- Exam Code: 1Z0-819
- Exam Name: Java SE 11 Developer
- Updated: Aug 09, 2026
- No. of Questions: 297 Questions and Answers
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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
- Working with Java data types
- Database Applications with JDBC
- Java Object-Oriented Approach
- Annotations
- Java Platform Module System
- Java I/O API
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Difficulty in Attempting Java SE 11 Developer Exam Number: 1Z0-819
If you have at least some programming experience, we recommend using the ORACLE 1Z0-006 practice exam and ORACLE 1Z0-006 practice exams exam dumps and practice exams written for exam 1z0-816 and it covers most of what will be on the exam. Lead2Passed.con also has practice exams to prepare for the exam. Also, you can find mock exams to check the knowledge learned after reading the book.
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Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.
To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Iterate through a collection - Use generic types and diamond operator - Sort elements in a collection - Search for elements in a collection - Filter a collection using lambda expressions |
| Working with Streams and Lambda expressions | 13% | - Use method references with streams - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Filter a collection using lambda expressions |
| Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Use parallel streams to improve performance - Identify potential threading problems - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Use ExecutorService to concurrently execute tasks |
| Java Platform Module System | 10% | - Explain the default modules and class path - Explain the concept of module exports and requires - Declare module dependencies - Migrate applications to use modules - Use jdeps to determine dependencies - Deploy and execute modules |
| Working with Java data types | 12% | - Create and manipulate strings - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Declare and initialize variables - Read or write to object fields - Differentiate between object reference variables and primitive variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) |
| I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Use Stream API with files - Read and write console and file input/output using Java I/O system |
| Secure Coding in Java SE Application | 5% | - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Validate user input - Prevent SQL injection and other attacks |
| Controlling Program Flow | 10% | - Use Java control statements - Use break and continue statements - Use if and if/else statements - Use switch statements - Use for, while, and do/while loops |
| Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Use assertions - Create and throw custom exceptions - Use standard exception classes - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling |
| Database Applications with JDBC | 5% | - Execute queries and process results - Use parameterized queries - Connect to a database using JDBC - Describe the advantages of using a connection pool |
| Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Working with Java OOP | 15% | - Implement polymorphism - Implement encapsulation - Use abstract classes and interfaces - Create inner classes and use them within other classes - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Implement inheritance |
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