Oracle Java SE 11 Developer : 1Z0-819

Exam Code: 1Z0-819

Exam Name: Java SE 11 Developer

Updated: Jul 24, 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:

Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
Understand variable scopes, apply encapsulation and make objects immutable
Develop code that mitigates security threats such as denial of service, code injection, input validation and ensure data integrity
Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
Create and use subclasses and superclasses, including abstract classes
Initialize objects and their members using instance and static initialiser statements and constructors
Define and use fields and methods, including instance, static and overloaded methods
Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Secure resource access including filesystems, manage policies and execute privileged code
Create and use enumerations

Average Salary of Java SE 11 Developer Exam Number: 1Z0-819 Certified Professionals

The average salary is between $71k and $103k.

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:

Implement serialization and deserialization techniques on Java objects
Handle file system objects using java.nio.file API
Read and write console and file data using I/O Streams
Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
Understand variable scopes, apply encapsulation and make objects immutable
Deploy and execute modular applications, including automatic modules
Create, apply, and process annotations
Connect to and perform database SQL operations, process query results using JDBC API Annotations
Create and use subclasses and superclasses, including abstract classes
Initialize objects and their members using instance and static initialiser statements and constructors
Define and use fields and methods, including instance, static and overloaded methods
Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Declare, use, and expose modules, including the use of services
Create and use enumerations
Declare and instantiate Java objects including nested class objects, and explain objects' lifecycles (including creation, dereferencing by reassignment, and garbage collection)

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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

Oracle 1Z0-819 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Exception Handling and Localization	10%	- Use resource bundles and locale classes for internationalization - Use assertions - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling - Create and throw custom exceptions - Use standard exception classes
Topic 2: I/O (Fundamentals and NIO2)	7%	- Use NIO2 API to work with file systems and file attributes - Use Stream API with files - Read and write console and file input/output using Java I/O system - Use Path interface to manipulate file paths
Topic 3: 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 4: Working with Streams and Lambda expressions	13%	- Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Filter a collection using lambda expressions - Describe the Stream interface and pipeline - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Use method references with streams
Topic 5: Concurrency	10%	- Use synchronized blocks and the volatile keyword - Identify potential threading problems - Use ExecutorService to concurrently execute tasks - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance - Use java.util.concurrent atomic classes and ForkJoinPool
Topic 6: Database Applications with JDBC	5%	- Connect to a database using JDBC - Execute queries and process results - Use parameterized queries - Describe the advantages of using a connection pool
Topic 7: Annotations	5%	- Apply standard annotations to classes and methods - Create custom annotations - Describe the purpose of annotations
Topic 8: Working with Arrays and Collections	8%	- Filter a collection using lambda expressions - Sort elements in a collection - Search for elements in a collection - Create a list, set, map, or queue collection - Iterate through a collection - Use generic types and diamond operator
Topic 9: Working with Java OOP	15%	- Implement inheritance - Apply the final keyword to classes, methods, and fields - Apply the static keyword to methods and fields - Create inner classes and use them within other classes - Implement encapsulation - Implement polymorphism - Use abstract classes and interfaces
Topic 10: Java Platform Module System	10%	- Deploy and execute modules - Declare module dependencies - Use jdeps to determine dependencies - Explain the default modules and class path - Explain the concept of module exports and requires - Migrate applications to use modules
Topic 11: Controlling Program Flow	10%	- Use break and continue statements - Use if and if/else statements - Use switch statements - Use for, while, and do/while loops - Use Java control statements
Topic 12: Working with Java data types	12%	- Manipulate data using the StringBuilder class and its methods - Differentiate between object reference variables and primitive variables - Call methods on objects - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Create and manipulate strings - Declare and initialize variables

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