HappyCoders Developer Blog: Java + Software Architecture

Deque Data Structure

Sven WoltmannJune 7, 2022

In this tutorial, you will learn everything about the abstract data type "deque", which deques exist in Java, and how to implement deques yourself.

Array vs. Linked List

Sven WoltmannMay 23, 2022

What is the difference between Array and Linked List? What are the advantages and disadvantages? When should you use which data structure?

Implementing a Priority Queue Using a Heap

Sven WoltmannMay 16, 2022

How to implement a priority queue with a heap in Java? Illustrative explanation with diagrams and Java source code.

Implementing a Queue Using an Array

Sven WoltmannMay 16, 2022

How to implement a queue based on an array in Java (without Java collections classes)? How does the array grow on demand?

Implementing a Queue Using a Linked List

Sven WoltmannMay 16, 2022

How to implement a queue using a linked list? How to enqueue and dequeue elements? Tutorial with images and Java code examples.

Implementing a Queue Using a Stack

Sven WoltmannMay 16, 2022

How to implement a queue with a stack (more precisely: with two stacks)? Tutorial with illustrations and Java code examples.

Queue Implementations in Java – Which One to Use?

Sven WoltmannApril 26, 2022

Which Queue implementations are available in the JDK? How do they differ? In which cases should you use which implementation?

LinkedTransferQueue in Java
(+ Code Examples)

Sven WoltmannApril 26, 2022

How to use Java's LinkedTransferQueue? How does it work? What are its characteristics? When should you use it?

SynchronousQueue in Java
(+ Code Examples)

Sven WoltmannApril 26, 2022

How to use Java's SynchronousQueue? How does it work? What are its characteristics? When should you use it?

Java DelayQueue
(+ Code Examples)

Sven WoltmannApril 26, 2022

How to use Java's DelayQueue? How does it work? What are its features? When should you use it?

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