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Java Mastery | Multithreading, Collections, Streams, Lambdas
Rating: 4.3 out of 5(9 ratings)
553 students

Java Mastery | Multithreading, Collections, Streams, Lambdas

Master Core Java Features: Java Collections, Java Multithreading, Lambda Expressions and Stream API for modern web apps
Created byOak Academy, OAK Academy Team
Last updated 6/2026
English

What you'll learn

  • Differences between threads and processes
  • Creating threads using the Thread class and Runnable interface
  • Managing thread lifecycle and states
  • Monitoring and controlling thread execution
  • Understanding race conditions and thread safety
  • Using the synchronized keyword and volatile variables
  • Implementing thread-safe synchronization techniques
  • Working with ExecutorService for efficient thread management
  • Using ScheduledExecutorService for task scheduling
  • Implementing Future and Callable for asynchronous computations
  • Managing atomic operations with Atomic Variables
  • Understanding wait(), notify(), and notifyAll() for inter-thread communication
  • Implementing locks and condition variables for better thread coordination
  • Using ReentrantLock and ReentrantReadWriteLock for fine-grained locking
  • Working with condition variables for better thread management
  • Exploring thread-safe collections like ConcurrentHashMap
  • Using blocking queues for producer-consumer scenarios
  • Understanding thread contention and deadlocks
  • Implementing thread-safe and immutable designs
  • Optimizing thread pools for better efficiency
  • Using parallel streams for improved performance
  • Understanding how Java Virtual Machine (JVM) handles threads
  • Working with thread priorities and daemon threads
  • Learning concurrency design patterns for scalable applications
  • Handling exceptions in multithreaded programs
  • Implementing advanced locking mechanisms
  • Building a multithreaded web server
  • Implementing a producer-consumer system
  • Developing a real-time chat system
  • Using debugging tools for thread analysis
  • Writing unit tests for concurrent code
  • Profiling multithreaded applications for performance tuning

Course content

16 sections • 65 lectures • 13h 19m total length

  • Section Overview1:08

    In this video, we will look at the topics we will learn in this section.


    What is Java multithreading and why is it important?

    Java multithreading allows a program to execute multiple threads concurrently, improving performance and responsiveness. It is essential for applications requiring parallel processing or handling multiple tasks simultaneously.

  • Introduction to Collections10:44

    In this video, we will introduce the collections.


    What are Java collections and why are they important?

    Java collections are data structures, like List, Set, and Map, that store and manage groups of objects efficiently. They simplify data handling, improve performance, and reduce manual implementation effort.

  • List Interface13:17

    In this video, we will learn about the List interface


    What is Java Mastery and who is it for?

    Java Mastery is a comprehensive course designed to help developers become proficient in core and advanced Java concepts, including multithreading, collections, streams, and lambda expressions. It is ideal for beginners, intermediate, and experienced Java developers.

  • ArrayList Class17:47

    In this video, we will learn the usage of the ArrayList class.


    What is Java multithreading and how does it improve applications?

    Java multithreading allows multiple threads to execute simultaneously within a program, improving performance, responsiveness, and resource utilization, especially for tasks like I/O operations and parallel computations.

  • Conversion Between Lists and Arrays17:35

    In this video, we will convert a list to an array and vice-versa


    What are Java streams and how do they work?

    Java streams, introduced in Java 8, enable functional-style operations on collections. Streams allow developers to filter, map, and reduce data in a concise and efficient way.

  • Sorting Array List13:24

    In this video, we will sort the elements of a list as ascending.


    How do lambda expressions improve Java code?

    Lambda expressions provide a concise way to represent anonymous functions. They simplify code, especially for collections and stream operations, and make Java programming more readable and expressive.

  • Comparator12:25

    In this video, we will learn the Comparator interface to sort the elements of a list as descending.


    Can beginners learn multithreading and streams easily?

    Yes, with structured guidance, beginners can understand these concepts. The course provides examples, exercises, and real-world applications to help learners grasp multithreading, streams, and lambdas effectively.

  • Searching ArrayList8:48

    In this video, we will search an element in a list.


    What are the benefits of mastering Java collections?

    Mastering collections allows developers to write more efficient and maintainable code, optimize memory usage, and handle large datasets effectively using built-in data structures.

  • Itrator and ListIterator15:40

    In this video, we will learn the usage of the Iterator and LsitIterator to navigate between the elements of a list


    How does Java Mastery course handle advanced topics like concurrency?

    The course explains concurrency concepts step by step, including thread lifecycle, synchronization, locks, and best practices for building thread-safe applications.

  • Set Interface - Part 113:36

    In this video, we will talk about the Set interface.


    Are streams and lambda expressions compatible with older Java versions?

    Streams and lambda expressions are available from Java 8 onward. Developers using older versions must upgrade to take advantage of these modern programming features.

  • Set Interface - Part 212:59

    In this video, we will continue to talk about the Set interface.


    How will mastering these Java concepts help my career?

    Proficiency in multithreading, collections, streams, and lambdas demonstrates advanced Java skills to employers. It improves your problem-solving ability, coding efficiency, and opens opportunities for senior Java developer roles.

  • Queue12:58

    In this video, we will talk about the Queue interface.


    What is the difference between a thread and a process in Java?

    A thread is a lightweight unit of execution within a process. Multiple threads share the same memory space of a process, making communication easier and resource usage more efficient compared to multiple processes.

  • Deque8:17

    In this video, we will talk about the Deque interface.


    How can I create a thread in Java?

    You can create a thread in Java by extending the Thread class or implementing the Runnable interface. Java 8 and later also support lambda expressions for concise thread creation.

  • Map Interface - Part 112:27

    In this video, we will talk about the Map interface.


    What is thread synchronization and why is it necessary?

    Thread synchronization ensures that multiple threads do not access shared resources simultaneously in a way that causes data inconsistency or race conditions. It is crucial for thread safety.

  • Map Interface - Part 212:26

    In this video, we will continue to talk about the Map interface.


    What are common concurrency issues in Java?

    Common issues include race conditions, deadlocks, livelocks, and resource contention. Proper synchronization, locks, and concurrency utilities help prevent these problems.

Requirements

  • No prior knowledge is required about Java Multithreading
  • Basic Java skills are required
  • A computer with a 64-bit operating system
  • We preferred MacOS (64-bit) but this is not mandatory. You can prefer to use other Operating Systems.
  • We preferred IntelliJ which is a powerful and advanced text editor with a lot of plug-ins and tools
  • Nothing else! It’s just you, your computer, and your ambition to get started today

Description

Hello there,

Welcome to the "Java Mastery | Multithreading, Collections, Streams, Lambdas" course.

Master Core Java Features: Java Collections, Java Multithreading, Lambda Expressions and Stream API for modern web apps


Java is one of the most powerful and widely used programming languages in the world. This course is designed to help you master essential Java concepts such as multithreading, streams, lambda expressions, and collections, enabling you to build high-performance, scalable applications efficiently.

Java provides robust support for concurrent programming, functional-style operations, and efficient data structures, making it a top choice for modern software development. Whether you're developing enterprise applications, data processing systems, or high-performance applications, mastering these concepts is crucial.


In this course, you will learn how to use Java's advanced features to write optimized, scalable, and high-performance applications. Whether you're new to these topics or looking to deepen your understanding, this course is perfect for you.


Features of Multithreading, Streams, Lambdas & Collections

Today’s applications require high performance and responsiveness. Whether you're developing enterprise applications, financial systems, or real-time messaging apps, understanding these essential Java concepts is crucial for building scalable software solutions. With these skills, you will be equipped to create applications that are not only high-performance but also optimized for concurrency and parallelism.:

Multithreading and Concurrency: Learn how to create and manage threads, work with the Executor framework, and use synchronization techniques to build responsive and high-performance applications.

Java Streams API: Master functional programming concepts using the Streams API to process large amounts of data efficiently with operations like filtering, mapping, and reducing.

Lambda Expressions: Understand how to write concise and expressive code using lambda expressions, improving readability and maintainability.

Collections Framework: Explore Java’s built-in data structures such as Lists, Sets, and Maps, and understand how to use them efficiently.

Parallel Processing: Implement parallel streams to enhance performance by leveraging multi-core processors.

Thread Synchronization: Learn how to avoid race conditions and deadlocks using synchronized blocks, locks, and atomic variables.

Asynchronous Programming: Dive into CompletableFuture and explore how to handle asynchronous tasks effectively.

Functional Interfaces: Utilize built-in functional interfaces like Predicate, Function, Consumer, and Supplier to enhance your coding efficiency.


Designed for developers of all levels, this course takes you step-by-step through essential concepts, real-world use cases, and hands-on projects. With practical examples and in-depth explanations, you'll gain the confidence to implement these powerful Java features in your applications.



Master Collections, Lambda Expressions, Stream API, and Multithreading in Java
In this comprehensive course, you will learn how to leverage Java’s powerful features to write efficient, responsive, and scalable applications. Mastering Collections, Lambda Expressions, Stream API, and Multithreading will elevate your Java programming skills and help you build high-performance software for various use cases.

What You’ll Learn:

  • Collections: Understand the various collection classes and interfaces in Java, including List, Set, Map, and Queue. Learn to use them to store, retrieve, and manipulate data efficiently.

  • Lambda Expressions: Learn the concept of Lambda Expressions and how they provide a functional approach to programming in Java. Discover how to write concise and readable code using Lambda expressions for operations like filtering, sorting, and mapping.

  • Stream API: Explore Java’s Stream API and learn how to process sequences of elements (such as collections) in a declarative manner. Master the techniques for filtering, mapping, reducing, and collecting data using Streams.

  • Multithreading: Dive into Java’s multithreading capabilities to enable concurrent execution of tasks. Learn how to create and manage threads, handle synchronization, and utilize Java’s concurrency utilities for scalable, thread-safe applications.


Ready to take your Java skills to the next level? This course is the perfect starting point!

By the end of this course, you'll confidently apply multithreading, streams, lambdas, and collections to develop optimized, scalable, and high-performance Java applications



What is Multithreading in Java?

Multithreading in Java refers to executing multiple threads in a concurrent manner, allowing applications to perform multiple tasks simultaneously. Threads in Java share the same memory space, making the process more efficient and lightweight.


What is Collections in Java ?

Collections are classes and interfaces that store and manage groups of objects. In this course, you will explore the different types of collections like List, Set, Map, and Queue and learn how to manipulate and use them to manage data effectively.


What is Lambda Expressions and Stream API ? 

Lambda expressions provide a clear and concise way to write anonymous methods (functions), while the Stream API allows for functional-style operations on collections of objects. You will learn how these tools simplify complex operations, such as filtering and transforming data, and how they contribute to cleaner and more maintainable code.


Why You Should This Course?

Java’s collections, lambda expressions, stream API, and multithreading capabilities are essential tools for developers. These features enable efficient data management, cleaner code, and parallel execution, making it easier to create high-performance applications. By mastering these skills, you’ll be prepared to handle everything from large-scale enterprise solutions to real-time applications.


Why would you want to take this course?

Our answer is simple: The quality of teaching

OAK Academy, based in London, is an online education company that offers courses in IT, Software, Design, and Development in Turkish, English, and Portuguese. Oak academy provides over 4,000 hours of video lessons on the Udemy platform.

When you enroll, you will feel the OAK Academy`s seasoned developers' expertise


In this course, you need basic Java knowledge.

This course will take you from a beginner to a more experienced level

We will take you from beginner to advance level You will learn step-by-step


Fresh Content

Multithreading in Java allows concurrent execution of multiple threads, improving performance and responsiveness in applications. This course covers essential concepts such as thread creation, synchronization, and concurrency control. You'll learn how to manage threads efficiently, avoid race conditions, and optimize performance, enabling you to build robust and high-performing Java applications.


Video and Audio Production Quality

All our content is created/produced as high-quality video/audio to provide you the best learning experience

You will be,

  • Seeing clearly

  • Hearing clearly

  • Moving through the course without distractions


You'll also get:

  • Lifetime Access to The Course

  • Fast & Friendly Support in the Q&A section

  • Udemy Certificate of Completion Ready for Download

We offer full support, answering any questions


Dive in now "Java Mastery | Multithreading, Collections, Streams, Lambdas" course.

Master Core Java Features: Java Collections, Java Multithreading, Lambda Expressions and Stream API for modern web apps


Who this course is for:

  • Java developers who want to master multithreading and concurrency
  • Software engineers looking to optimize application performance
  • Anyone preparing for Java job interviews or certification exams
  • Backend developers, game developers, and system architects
  • Those who want to be one step ahead in job applications related to Java
  • Java developers who want to increase their knowledge about Multithreading, concurrency

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