Executor Framework Deep Dive | ThreadPool, Future & Callable | Java Full Course #56
In this Java multithreading video, we begin with a complete introduction to the Executor Framework in Java and understand why it is preferred over manually creating threads.
This video explains the complete hierarchy of the Executor Framework, including the Executor interface, ExecutorService interface, and the important methods used to submit and manage tasks. We then take a deep dive into ThreadPoolExecutor, which is the core class behind most thread pools in Java.
You will also learn how the Executors utility class helps us create ready-made thread pools such as FixedThreadPool, CachedThreadPool, SingleThreadExecutor, and ScheduledThreadPool.
In this video, we cover:
What is Executor Framework in Java?
Why Executor Framework is needed
Executor Framework hierarchy
Executor interface explained
ExecutorService interface and important methods
submit(), execute(), shutdown() and related methods
Deep dive into ThreadPoolExecutor
Role of core pool size and maximum pool size
Work queue inside a thread pool
Executors utility class
newFixedThreadPool()
newCachedThreadPool()
newSingleThreadExecutor()
newScheduledThreadPool()
ScheduledThreadPoolExecutor
schedule() method
scheduleWithFixedDelay() method
BlockingQueue in ThreadPoolExecutor
ArrayBlockingQueue
LinkedBlockingQueue
What happens when the queue becomes full?
Rejection Policy in Java ThreadPoolExecutor
This video is important for anyone who wants to understand Java concurrency, Java multithreading, thread pools, and how modern Java manages task execution efficiently using the Executor Framework.
Why Learn Java?
Java is one of the most powerful and widely used programming languages in the world.
It is used in:
Backend development
Enterprise applications
Android development
Banking systems
Large-scale distributed systems
If you want to master Data Structures, Spring Boot, Microservices, or System Design, Java fundamentals are essential.
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Timestamps:
Java Executor Framework, ExecutorService Java, Executor Interface Java, ThreadPoolExecutor Java, Executors Utility Class, Java Thread Pool, FixedThreadPool Java, CachedThreadPool Java, SingleThreadExecutor Java, ScheduledThreadPoolExecutor Java, BlockingQueue Java, ArrayBlockingQueue, LinkedBlockingQueue, Rejection Policy Java, Java Multithreading, Java Concurrency, Java Full Course, Java Interview Questions.
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