Oracle Java SE 11 Developer : 1Z0-819

  • Exam Code: 1Z0-819
  • Exam Name: Java SE 11 Developer
  • Updated: Aug 23, 2026     Q & A: 297 Questions and Answers

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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in the ORACLE 1Z0-006 exam dumps pdf:

  • Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
  • Use Java Streams to filter, transform and process data
  • Sort collections and arrays using Comparator and Comparable interfaces
  • Use a Java array and List, Set, Map and Deque collections, including convenience methods
  • Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
  • Use generics, including wildcards
  • Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
  • Develop thread-safe code, using different locking mechanisms and java.util.concurrent API

How to book the Java SE 11 Developer Exam Number: 1Z0-819

You register with an Oracle partner pearsonvue.com, tie your Oracle account, choose whether you want to pass in the center or from home. If you choose the option from home, you will be followed through the camera and microphone throughout the exam, there should be no one in the room, you can not talk to anyone and look only at the screen, the Internet must be stable, without troubles, otherwise, the result will be canceled.

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. PracticeTorrent.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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Questions in the certification examination are based on the real-world scenarios and cater to the real-time problems implementation difficulties, hence along with all the training material and tutorial it is of utmost importance for the candidate to possess practical knowledge and experience of working in the field of Java technology.

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Oracle 1Z0-819 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Exception Handling and Localization10%- Create and throw custom exceptions
- Use standard exception classes
- Use assertions
- Create try-catch blocks and understand exception propagation
- Describe the advantages of exception handling
- Use resource bundles and locale classes for internationalization
Topic 2: Working with Java data types12%- Call methods on objects
- Declare and initialize variables
- Manipulate data using the StringBuilder class and its methods
- Explain an object's lifecycle (creation, dereferencing via garbage collection)
- Create and manipulate strings
- Differentiate between object reference variables and primitive variables
- Read or write to object fields
Topic 3: Java Platform Module System10%- Migrate applications to use modules
- Declare module dependencies
- Use jdeps to determine dependencies
- Explain the concept of module exports and requires
- Deploy and execute modules
- Explain the default modules and class path
Topic 4: Annotations5%- Apply standard annotations to classes and methods
- Describe the purpose of annotations
- Create custom annotations
Topic 5: Working with Java OOP15%- Implement encapsulation
- Apply the final keyword to classes, methods, and fields
- Implement inheritance
- Use abstract classes and interfaces
- Create inner classes and use them within other classes
- Apply the static keyword to methods and fields
- Implement polymorphism
Topic 6: Secure Coding in Java SE Application5%- Secure sensitive data
- Validate user input
- Prevent Denial of Service (DoS) attacks
- Prevent SQL injection and other attacks
Topic 7: Database Applications with JDBC5%- Describe the advantages of using a connection pool
- Execute queries and process results
- Connect to a database using JDBC
- Use parameterized queries
Topic 8: Concurrency10%- Use ExecutorService to concurrently execute tasks
- Use java.util.concurrent atomic classes and ForkJoinPool
- Create worker threads using Runnable and Thread objects
- Use synchronized blocks and the volatile keyword
- Use parallel streams to improve performance
- Identify potential threading problems
Topic 9: Working with Arrays and Collections8%- Filter a collection using lambda expressions
- Search for elements in a collection
- Create a list, set, map, or queue collection
- Sort elements in a collection
- Use generic types and diamond operator
- Iterate through a collection
Topic 10: 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 Stream API with files
- Use Path interface to manipulate file paths
Topic 11: Working with Streams and Lambda expressions13%- Filter a collection using lambda expressions
- Use functional interfaces with lambda expressions
- Describe the Stream interface and pipeline
- Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods
- Use the Stream API to perform terminal operations
- Use method references with streams
Topic 12: Controlling Program Flow10%- Use switch statements
- Use if and if/else statements
- Use for, while, and do/while loops
- Use Java control statements
- Use break and continue statements

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