TreeMap in Java, just like the HashMap, is part of the java collection framework. It is a red-black tree-based implementation of the Map interface...
HashMap in Java is a part of the Java Collection Framework which stores data in the form of Key and Value pairs where the key is a unique
Given an array A[] of 0s, 1s, and 2s of size N, the task is to write a function that can sort an array of 0s, 1s and 2s in ascending order
In this blog, we will learn what exactly array rotation is? And how to rotate an array either in the left or the right direction.
Arrays can only store a fixed number of elements in it thus making it impossible to either add or remove an element from an array without ...
An array is a type of data structure that can store a fixed number of elements of the same data types in our RAM in contiguous order, and Arrays in Java are ...