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- Exam Code: 1Z0-819
- Exam Name: Java SE 11 Developer
- Certification Provider: Oracle
- Corresponding Certification:Oracle Java SE
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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: Sep 05, 2026
- No. of Questions: 297 Questions and Answers
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- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Examination Fees: $250 USD
- Passing Score: 60% or higher
- Types of questions: Performance Based Questions
- Length of Exam: 85 min
- No. of Questions: 60 Questions
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For more info read reference:
1Z0-006 Official Certification Site Oracle Cloud Learning Resources
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Java data types | 12% | - Create and manipulate strings - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Call methods on objects - Declare and initialize variables - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields |
| Topic 2: Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Iterate through a collection - Sort elements in a collection - Search for elements in a collection - Filter a collection using lambda expressions - Create a list, set, map, or queue collection |
| Topic 3: Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Use standard exception classes - Create and throw custom exceptions - Describe the advantages of exception handling - Use assertions - Use resource bundles and locale classes for internationalization |
| Topic 4: Concurrency | 10% | - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use synchronized blocks and the volatile keyword - Identify potential threading problems - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks |
| Topic 5: 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 Stream API with files - Use Path interface to manipulate file paths |
| Topic 6: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Validate user input |
| Topic 7: Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Implement encapsulation - Use abstract classes and interfaces - Implement inheritance - Apply the final keyword to classes, methods, and fields - Create inner classes and use them within other classes - Implement polymorphism |
| Topic 8: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Filter a collection using lambda expressions - Use method references with streams - Describe the Stream interface and pipeline - Use the Stream API to perform terminal operations |
| Topic 9: Database Applications with JDBC | 5% | - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results - Connect to a database using JDBC |
| Topic 10: Controlling Program Flow | 10% | - Use Java control statements - Use for, while, and do/while loops - Use switch statements - Use if and if/else statements - Use break and continue statements |
| Topic 11: Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Topic 12: Java Platform Module System | 10% | - Migrate applications to use modules - Explain the default modules and class path - Explain the concept of module exports and requires - Deploy and execute modules - Use jdeps to determine dependencies - Declare module dependencies |
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