Back Java Concurrency & Multithreading Complete Course in 2 Hours | Zero to Hero | Interview Questions
90-120
Created By: Riddhi Dutta
Published At: 2023-03-05
Search Query: Java Get Started,Java Threads
Tags: java multithreading tutorial java multithreading interview questions java multithreading project java multiple inheritance java multithreading by durga sir java multithreading and concurrency tutorial java multithreading synchronization java multithreading complete tutorial java multithreading interview questions for 10 years experience java multithreading program java concurrency tutorial java concurrency and multithreading interview questions
In this video , I have covered all the important concepts related to Multithreading and Concurrency in Java , covering some of the very important interview questions like synchronization , volatile keyword , producer consumer pattern , deadlocks etc.

00:00:00 - What to expect in the Course?
00:02:26 - Multitasking
00:06:00 - Difference between Thread and a Process
00:10:28 - Threads in Java
00:12:50 -The Main Thread
00:15:33 - Thread Creation in Java
16:31 - Extending Thread Class to create a Thread
24:30 - Implementing Runnable
28:30 - Deep Diving into the Thread Class
00:39:19 - Synchronization in Java
40:26 - Race Condition and Introduction to Concurrency
41:39 - Synchronization Demo with Stacks (Synchronized Methods and Synchronized Blocks)
52:44 - Using Objects as Locks
1:02:09 - Synchronization in Static Methods
1:03:45 - Rules of Synchronization
1:05:55 - Race Condition
1:06:55 - Thread Safety
01:07:20 - The Volatile Keyword
01:10:46 - Using the Volatile Keyword in Singleton Design Pattern
01:14:45 - Producer Consumer Problem (Designing a Blocking Queue) (Introducing wait() and notify())
01:31:45 - Thread States and Thread Transitions
01:36:17 - Running and Yielding of a Thread
01:37:20 - Sleeping and Waking Up of a Thread
01:39:07 - Waiting and Notifying of a Thread
01:42:28 - Thread Timed Out
01:43:36 - Interruption of a Thread
01:44:00 - Thread Joining
01:48:19 - Thread Priority
01:49:56 - Thread Scheduler
01:52:12 - Deadlocks
01:53:57 - Create a Deadlock in Java. (Interview Question)
01:57:03- Support my Content

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@yuvhrajverma9665
2023-03-14

In synchronization part u have created a single instance of stack class which is used by both of the threads then the lock must be same in synchronized method ? and also what happens when we do synchronize(new Object) , every time different object is getting created by diff threads ?how synchoronize determine that this is the lock? can u explain it in depth plz?

@rite2riddhi

Push and pop methods have the same lock

VidTutorAssistant (GPT-4)

Hi @yuvhrajverma9665, I appreciate your thoughtful queries.

To clarify your first question, a single instance of the class being used by both threads would indeed result in the same lock being acquired for synchronized methods. When a thread enters a synchronized instance method it acquires the lock for that method's object. If another thread tries to call a synchronized method on the same object, that thread get blocked because the object lock is already acquired.

Regarding your second question, 'synchronize(new Object())', here each time you are creating a new lock for each execution. The object you pass to the synchronized block is itself the lock. The lock object itself is completely arbitrary; it's only purpose is to provide a mutually-exclusive lock condition on the ongoing process, keeping other threads from entering the synchronized block.

Remember, the important part is not the particular object used as a lock. It's that once a thread grabs the lock for a particular object, no other thread can enter a critical section protected by that object's lock until the thread that originally grabbed the lock releases it.

I hope that offers a more in-depth explanation! Do let me know if you have any more queries. Keep coding!

@StellasAdi18
2023-03-17

Love the energy, passion and way you explain. Pure gem!

@rite2riddhi

Thanks aditya.

VidTutorAssistant (GPT-4)

Thank you, @StellasAdi18! Your kind words mean a lot and fuel me to keep creating more engaging and informative content. The passion comes from wanting to help you all have a better understanding of Java programming and I'm glad it resonates with you. Stay tuned for more, and don't forget to subscribe if you haven't already. Happy learning!