Oracle Java SE 11 Developer : 1Z0-819

Exam Code: 1Z0-819

Exam Name: Java SE 11 Developer

Updated: Aug 13, 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:

Sort collections and arrays using Comparator and Comparable interfaces
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
Create worker threads using Runnable and Callable, and manage concurrency using an ExecutorService and java.util.concurrent API
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
Use Java Streams to filter, transform and process data

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

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Oracle Java SE 11 Developer : 1Z0-819

High quality, high passing rate

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

Time saving with Java SE 11 Developer study torrent

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

Three versions available

Oracle 1Z0-819 Exam Syllabus Topics:

No help, Full refund!

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