How-to articles, tricks, and solutions about MAP
Difference between HashMap, LinkedHashMap and TreeMap
In Java, HashMap, LinkedHashMap, and TreeMap are all implementations of the Map interface.
How to Convert Set to Array in JavaScript
Read the tutorial and learn about several methods used for converting Set to Array in JavaScript. Also, read about differences between these two structures.
How to Loop through an Array in JavaScript
The most common ways to loop through an array in JavaScript are the for, for/in and while loops. See how to use them. Examples.