Hello friends, I am really glad to see you all again here. And I know you are
here to learn new and valuable Java concepts and continue your journey on
Java. Today we are gonna learn something that is really important
logically. yes! you heard right, we are going to learn about
Deque data structure in Java and how to use Deque in the Java program.
Deque is a special data structure, a double-ended queue that allows you to
process elements at both ends, I mean you can add and remove objects from both
front and rear end. It's a short form of Double-Ended Queue and pronounced as
"Deck".
Learn Java and Programming through articles, code examples, and tutorials for developers of all levels.
Top 30 Stack and Queue Data Structure Interview Questions for Practice
Hello guys, stack and queue are two fundamental data structures which are used on many applications and algorithms. For example, you can use stack to convert a recursive algorithm to iterative one, which is more safe in production and no risk of StackOverFlowError. Similarly, queue is used in many asynchronous algorithms like producer consumer pattern or publish subscribe pattern to exchange messages. Because of that, they are also quite popular on coding interviews, particularly on Java developer interviews. In the past, I have shared 100+ data structure questions as well as String coding problems, array questions, linkedlist questions, recursion questions and even dynamic programming questions but I have not shared stack and queue related questions before.
Difference between Queue and Deque in Java? Example Tutorial
Hello guys, today I am going to share another interesting question from Java interview, what is difference between Queue and Deque in Java. This question was asked to one of my reader in a recent interview with JP Morgan Mumbai and this is also a popular Java collection interview question. While he was able to answer the question, he wasn't able to convince interviewer so he asked me how to answer this question. So I am writing this post to share my answer on Queue vs Deque in Java. In the vast world of Java programming, the need to manage data efficiently often leads developers to specialized data structures.
How to use Queue Interface in Java? Example Tutorial
The JDK provides an implementation of several data structures in the Java collection framework like ArrayList is a dynamic array, LinkedList represents a linked list, HashMap represents a hash table data structure, and Queue interface represent queue data structure. Btw, If you are not familiar with data structure itself, then you can also see Introduction to Data Structures & Algorithms in Java, an excellent course to start with the essential data structure in Java. The Queue data structure allows you to process elements in the first in first out order, and that's why it is also known as a FIFO data structure.
How to Solve Producer Consumer Problem in Java using BlockingQueue [Example]
The Producer-Consumer problem is one of the classic multi-threading problems in computer science and the multi-threading world. It's tricky because it involves inter-thread communication, but it's important because most of the multi-threading problems fit into this category. Because of its importance, it's also known as Producer Consumer design patterns. There are many ways to solve the producer-consumer problem in Java, like you can solve this by using the wait() and notify() method, as discussed here, or you can use the Semaphore to solve this problem.
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