Multithreading & Concurrency
Multithreading & Concurrency
Troubleshooting Deadlock in Java
Upasana | August 11, 2020 | 4 min read | 2 views
In this post we will describe what deadlock is, how to troubleshoot it and how to reproduce it using Java language
Read ArticleCustom Thread pool implementation in Java
Upasana | July 25, 2020 | 3 min read | 4,666 views
thread pool executor requires a Queue for holding tasks and a collection of Worker Threads that will pick up tasks from the work queue start running them.
Read ArticleProducer Consumer Problem using Blocking Queue in Java
Upasana | August 31, 2019 | 3 min read | 2,024 views | Multithreading and Concurrency
A producer consumer problem is a typical example of multi-thread synchronization problem where some shared resource (a work queue, blockingqueue) is used by two types of threads - Producer & Consumer
Read ArticleWhat is AtomicInteger class and how it works internally
Upasana | August 03, 2019 | 2 min read | 963 views | Multithreading and Concurrency
AtomicInteger class was added in Java 5 that utilizes non-blocking concurrency for thread-safety, providing better throughput in highly concurrent environments.
Read ArticleDifference between Implementing Runnable and Extending Thread
Upasana | July 30, 2019 | 3 min read | 911 views
Implementing Runnable and giving it to a thread is form of composition while Extending Thread is a form of inheritance. Since we are not really specializing Thread's behaviour in this case, Implementing Runnable will make more sense.
Read ArticleWhat do you understand by Java Memory Model?
Upasana | May 19, 2019 | 2 min read | 698 views | Multithreading and Concurrency
Java Memory Model defines the legal interaction of threads with the memory in a real computer system. It determines when a Thread can reliably see writes to variables made by other threads.
Read ArticleDesign an Immutable class that has an java.util.Date member
Upasana | May 19, 2019 | 1 min read | 2,273 views | Multithreading and Concurrency
As we know that java.util.Date is not immutable, we need to make a defensive copy of java.util.Date field while returning a reference to this instance variable.
Read ArticleWhat is Double Checked Locking Problem in Multi-Threading?
Upasana | May 05, 2019 | 4 min read | 229 views
This article is about Java Memory Model and Double Checked Locking Problem for Singleton creation in Multi-Threading
Read ArticleHow will you implement your custom threadsafe Semaphore in Java
Upasana | May 05, 2019 | 2 min read | 837 views
We can implement a custom semaphore using `ReentrantLock` and `Condition` classes provided by Java. However this implementation is just for illustration purpose and not for production use.
Read ArticleHow will you increment each element of an Integer array, using parallel operation
Upasana | April 23, 2019 | 2 min read | 347 views
Java 7 `ForkJoinPool`, Java 8 `Arrays.parallelSetAll` can be used for performing parallel operations on an integer array.
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