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Oracle 1z1-819 exam : Java SE 11 Developer

1z1-819 Exam Questions
  • Exam Code: 1z1-819
  • Exam Name: Java SE 11 Developer
  • Updated: Aug 11, 2026
  • Q & A: 297 Questions and Answers
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Oracle 1z1-819 exam demo

By passing the Oracle 1Z0-819 exam, candidates can demonstrate their proficiency in Java development using Java SE 11 and increase their career opportunities as a professional Java developer. Additionally, Oracle certifications are recognized globally and can help candidates gain credibility and recognition in the industry.

Oracle 1Z0-819 certification exam is designed for Java developers who want to validate their skills and knowledge in Java SE 11. 1z1-819 exam is a combination of two exams, namely 1Z0-815 and 1Z0-816. 1z1-819 exam assesses a candidate’s proficiency in Java syntax and fundamental programming concepts, as well as their ability to develop Java applications using Java SE 11. Java SE 11 Developer certification exam is ideal for Java developers who want to improve their career prospects and demonstrate their expertise in the Java programming language.

The Java SE 11 Developer exam is a comprehensive exam that tests the proficiency of Java developers in a variety of areas. 1z1-819 exam is divided into multiple sections, each focusing on a different aspect of Java development. 1z1-819 exam format includes multiple-choice questions, drag-and-drop questions, and scenario-based questions. 1z1-819 exam is timed, and candidates are expected to complete the exam within the allotted time. 1z1-819 exam is challenging, but passing it can demonstrate a developer's proficiency in Java development and can provide significant career opportunities.

Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913

Oracle 1z1-819 Exam Syllabus Topics:

SectionWeightObjectives
Concurrency10%- Create worker threads using Runnable and Thread objects
- Use java.util.concurrent atomic classes and ForkJoinPool
- Use synchronized blocks and the volatile keyword
- Identify potential threading problems
- Use parallel streams to improve performance
- Use ExecutorService to concurrently execute tasks
Working with Streams and Lambda expressions13%- Use method references with streams
- Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods
- Describe the Stream interface and pipeline
- Filter a collection using lambda expressions
- Use functional interfaces with lambda expressions
- Use the Stream API to perform terminal operations
Database Applications with JDBC5%- Execute queries and process results
- Connect to a database using JDBC
- Use parameterized queries
- Describe the advantages of using a connection pool
Working with Java data types12%- Read or write to object fields
- Explain an object's lifecycle (creation, dereferencing via garbage collection)
- Declare and initialize variables
- Create and manipulate strings
- Call methods on objects
- Manipulate data using the StringBuilder class and its methods
- Differentiate between object reference variables and primitive variables
Exception Handling and Localization10%- Use assertions
- Use standard exception classes
- Create try-catch blocks and understand exception propagation
- Create and throw custom exceptions
- Describe the advantages of exception handling
- Use resource bundles and locale classes for internationalization
Controlling Program Flow10%- Use for, while, and do/while loops
- Use Java control statements
- Use switch statements
- Use break and continue statements
- Use if and if/else statements
Working with Arrays and Collections8%- Iterate through a collection
- Create a list, set, map, or queue collection
- Sort elements in a collection
- Filter a collection using lambda expressions
- Search for elements in a collection
- Use generic types and diamond operator
Secure Coding in Java SE Application5%- Prevent Denial of Service (DoS) attacks
- Validate user input
- Secure sensitive data
- Prevent SQL injection and other attacks
Annotations5%- Apply standard annotations to classes and methods
- Create custom annotations
- Describe the purpose of annotations
Working with Java OOP15%- Implement inheritance
- Implement polymorphism
- Apply the static keyword to methods and fields
- Apply the final keyword to classes, methods, and fields
- Implement encapsulation
- Create inner classes and use them within other classes
- Use abstract classes and interfaces
I/O (Fundamentals and NIO2)7%- Use NIO2 API to work with file systems and file attributes
- Use Stream API with files
- Use Path interface to manipulate file paths
- Read and write console and file input/output using Java I/O system
Java Platform Module System10%- Deploy and execute modules
- Declare module dependencies
- Use jdeps to determine dependencies
- Explain the concept of module exports and requires
- Explain the default modules and class path
- Migrate applications to use modules

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