- Exam Code: 1z1-819
- Exam Name: Java SE 11 Developer
- Updated: Aug 05, 2026
- Q & A: 297 Questions and Answers
Oracle 1z1-819 Exam : Java SE 11 Developer
PDF Version DemoAbout Oracle 1z1-819 Exam
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:
- Develop thread-safe code, using different locking mechanisms and java.util.concurrent API
- Sort collections and arrays using Comparator and Comparable interfaces
- Implement functional interfaces using lambda expressions, including interfaces from the java.util.function package
- 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
- Use generics, including wildcards
- Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
- Use a Java array and List, Set, Map and Deque collections, including convenience methods
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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
How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Types of questions: Performance Based Questions
- Examination Fees: $250 USD
- Passing Score: 60% or higher
- Length of Exam: 85 min
- No. of Questions: 60 Questions
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
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:
- Create and use enumerations
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Understand variable scopes, apply encapsulation and make objects immutable
- Initialize objects and their members using instance and static initialiser statements and constructors
- Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
- Define and use fields and methods, including instance, static and overloaded methods
- Create and use subclasses and superclasses, including abstract classes
- Secure resource access including filesystems, manage policies and execute privileged code
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Exception Handling and Localization | 10% | - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization - Describe the advantages of exception handling - Create and throw custom exceptions - Use assertions - Use standard exception classes |
| Java Platform Module System | 10% | - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path - Explain the concept of module exports and requires - Migrate applications to use modules - Use jdeps to determine dependencies |
| Working with Java OOP | 15% | - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Implement encapsulation - Implement inheritance - Create inner classes and use them within other classes - Implement polymorphism - Use abstract classes and interfaces |
| Concurrency | 10% | - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Use synchronized blocks and the volatile keyword - Create worker threads using Runnable and Thread objects |
| Working with Streams and Lambda expressions | 13% | - Use the Stream API to perform terminal operations - Describe the Stream interface and pipeline - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams - Use functional interfaces with lambda expressions - Filter a collection using lambda expressions |
| Working with Java data types | 12% | - Create and manipulate strings - Declare and initialize variables - Call methods on objects - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables |
| Database Applications with JDBC | 5% | - Execute queries and process results - Describe the advantages of using a connection pool - Use parameterized queries - Connect to a database using JDBC |
| Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent Denial of Service (DoS) attacks - Validate user input - Prevent SQL injection and other attacks |
| Controlling Program Flow | 10% | - Use for, while, and do/while loops - Use Java control statements - Use switch statements - Use if and if/else statements - Use break and continue statements |
| Working with Arrays and Collections | 8% | - Use generic types and diamond operator - Iterate through a collection - Sort elements in a collection - Create a list, set, map, or queue collection - Search for elements in a collection - Filter a collection using lambda expressions |
| Annotations | 5% | - Create custom annotations - Apply standard annotations to classes and methods - Describe the purpose of annotations |
| I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system - Use Stream API with files |
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