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Oracle Java SE 11 Developer : 1Z0-819 valid dump torrent
- Exam Code: 1Z0-819
- Exam Name: Java SE 11 Developer
- Updated: Jul 25, 2026
- Q&As: 297 Questions and Answers
About Oracle Java SE 11 Developer : 1Z0-819 Real Exam
To prepare for the Oracle 1z1-819 (Java SE 11 Developer) Certification Exam, candidates should have a solid understanding of Java SE 11 development. Candidates should be familiar with Java syntax, data types, control structures, and object-oriented programming principles. Additionally, candidates should practice writing Java code to solve problems. There are many resources available to help candidates prepare for the exam, including online courses, books, and practice exams.
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1Z0-819 exam is a certification exam for Java developers who are looking to showcase their skills and knowledge in Java SE 11. 1Z0-819 exam is designed for professionals who are interested in upgrading their Java SE 8 certification to Java SE 11 or for those who are new to Java programming and want to become certified in this technology. By passing 1Z0-819 exam, candidates can demonstrate their proficiency in Java SE 11 and prove their expertise in developing Java applications.
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Validate user input |
| Topic 2: Concurrency | 10% | - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects - Identify potential threading problems |
| Topic 3: 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 4: Annotations | 5% | - Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations |
| Topic 5: Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use break and continue statements - Use Java control statements - Use switch statements - Use if and if/else statements |
| Topic 6: Working with Arrays and Collections | 8% | - Search for elements in a collection - Filter a collection using lambda expressions - Use generic types and diamond operator - Iterate through a collection - Sort elements in a collection - Create a list, set, map, or queue collection |
| Topic 7: Working with Java data types | 12% | - Manipulate data using the StringBuilder class and its methods - Call methods on objects - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Differentiate between object reference variables and primitive variables - Declare and initialize variables - Read or write to object fields |
| Topic 8: Java Platform Module System | 10% | - Explain the concept of module exports and requires - Deploy and execute modules - Migrate applications to use modules - Declare module dependencies - Explain the default modules and class path - Use jdeps to determine dependencies |
| Topic 9: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams - Use the Stream API to perform terminal operations |
| Topic 10: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results |
| Topic 11: Working with Java OOP | 15% | - Implement encapsulation - Implement inheritance - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Implement polymorphism - Apply the static keyword to methods and fields - Create inner classes and use them within other classes |
| Topic 12: I/O (Fundamentals and NIO2) | 7% | - 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 - Use Stream API with files |
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