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Welcome to CodeGranular, where complex backend engineering concepts are broken down into clear, practical, developer-friendly explanations.
If you’re passionate about Java, Concurrency, Kafka, Distributed Systems, and high-performance backend engineering, you’re in the right place.

This channel is designed for:
🔸 Backend & Full-Stack Engineers
🔸 System Design Learners
🔸 Distributed Systems Enthusiasts
🔸 Engineers preparing for SDE interviews

Here, I take deep, often confusing technical topics and explain them with clarity, visuals, real-world examples, and a bit of fun (yes, including pandas with glasses 🐼⚡).

🔥 What You’ll Learn Here
✔ Java internals, JVM insights, performance tuning
✔ Modern concurrency patterns & thread-safe design
✔ Kafka fundamentals to advanced architectures
✔ Distributed systems & event-driven patterns
✔ System design breakdowns for real-world scenarios
✔ Clean architecture, scalability, and best practices
✔ Engineering tips that actually matter in production

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16:48

Java Concurrency: Locks, Atomic Variables & CAS | Part 1

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Shared 1 day ago

18 views

7:35

I Built a Free Site for Java Concurrency Learners

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Shared 1 month ago

34 views

36:01

Complete Java Locking Guide : Part 2 | ReentrantReadWriteLock | StampedLock | Condition (Deep Dive)

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Shared 2 months ago

36 views

15:10

Complete Java Locking Guide : Part 1 | Synchronized | Reentrant Lock

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Shared 2 months ago

49 views

14:40

Build a BLOCKING Saturation Policy | Natural Backpressure

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Shared 4 months ago

61 views

44:20

Java Thread Pools: Sizing | Saturation Policy | Hooks You Need (Deep Dive)

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Shared 4 months ago

54 views

4:02

Hidden Flaw in shutdownNow() – Track Cancelled Tasks (Useful Trick)

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Shared 4 months ago

28 views

6:48

How to Gracefully Shutdown a Logging Service (Avoid Data Loss!)

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Shared 4 months ago

29 views

33:06

Java Task Cancellation & Executor Shutdown: Safely Stop a Thread

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Shared 4 months ago

27 views

14:43

Stop Waiting for Slow APIs | Try Java InvokeAll + Timeout Trick : Concurrency Question

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Shared 4 months ago

33 views

12:47

Design Scheduled Thread Pool Executor : Concurrency LLD Interview

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Shared 4 months ago

163 views

32:10

Java Executor Framework: Lifecycle | Scheduler | Patterns (Deep Dive)

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Shared 5 months ago

32 views

11:03

Design a Fixed Size Thread Pool in Java | Concurrency LLD Interview

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Shared 5 months ago

70 views

44:27

Executor Framework in Java: The Complete Foundation (Deep Dive) #ExecutorFramework #ThreadPool

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Shared 5 months ago

120 views

13:11

Designing Scalable and Efficient Cache in Java Concurrency

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Shared 6 months ago

104 views

21:53

Java Thread Life Cycle Explained with Synchronizers #Latch #Semaphore #Barrier

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Shared 6 months ago

24 views

16:02

Java Deque Secrets: Work-Stealing & High-Performance Concurrency

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Shared 6 months ago

55 views

23:24

Java BlockingQueue Explained: Linked vs Array vs Priority vs Synchronous

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Shared 6 months ago

42 views

18:30

HashSet vs SynchronizedSet vs CopyOnWriteArraySet (Concurrency Explained)

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Shared 6 months ago

25 views

19:49

HashMap vs SynchronizedMap vs ConcurrentHashMap | Java Concurrency Explained

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Shared 7 months ago

170 views

16:24

ArrayList vs Vector vs SynchronizedList vs CopyOnWriteArrayList

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Shared 7 months ago

35 views

15:30

Stop Using synchronized! Thread Safety Without Locks in Java

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Shared 7 months ago

22 views

13:19

Java Synchronization & Thread Safety #ThreadSafety #JavaConcurrency #RaceCondition

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Shared 7 months ago

32 views

28:01

Java Memory Model Explained Part 2 | Volatile, Synchronize, Happens-Before & CPU Cache Effects

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Shared 7 months ago

62 views

15:22

Java Memory Model Explained Part 1: Why Your Threads See Different Reality? | L1 L2 L3 Cache

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Shared 8 months ago

67 views

11:24

Why Your Code Fails Under Load — Understanding Concurrency

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Shared 8 months ago

229 views