Pair in Java: Map.entry, Records, Commons Lang and Vavr
Pair in Java with Map.entry(), AbstractMap.SimpleEntry, records, javafx.util.Pair, Commons Lang Pair and Vavr Tuple2, plus a guide to choose one.
Java Tuple: Records, javatuples Library and Examples
Learn what a Java tuple is, why records replace it since Java 16, and how to create, read and change javatuples Pair, Triplet and Quartet objects.
Python Priority Queue using heapq, queue and bisect
Build a priority queue in Python with heapq, queue.PriorityQueue and bisect. Handle ties with a counter, use 3.14 max-heap functions and schedule tasks.
Java Stack Implementation using Array
This tutorial gives an example of implementing a Stack data structure using an Array. The stack offers to put new objects on the stack (push) and to get objects from the stack (pop). A stack returns the object according to last-in-first-out (LIFO). Please note that JDK provides a default java …
Custom List Implementation in Java: Build Your Own List
Build a custom list implementation in Java by extending AbstractList. Learn how an array-backed list grows, removes elements and fails fast, and which bugs to avoid.