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.