DataStructure Tutorial

By Dhiraj , 07 March, 2020 9K

In this article, we will be discussing different sorting techniques and algorithms with examples that are most frequently used in computer science. We will discuss Bubble sort, Selection Sort, Insert...

By Dhiraj , 07 April, 2020 3K

In this article, we will discuss about different hashing techniques and collision conditions. We will list out different collision resolution techniques and discuss about closed addressing technique....

By Dhiraj , 10 March, 2020 20K

In this article, we will be discussing implementing stack data structure in Java and perform multiple stack operations such as pop(),push() and peek(). We will also take a look at the time complexity...

By Dhiraj , 10 March, 2020 18K

In this article, we will create a custom implementation of Queue data structure in Java. In the course, we will perform different queue operations such as enQueue(), deQueue(), etc. We will also check...

By Dhiraj , 20 March, 2020 18K

In this article, we will be creating a custom implementation of Blocking Queue in Java. We will provide a LinkedList implementation of it and perform multiple operations such as put() and take()....

By Dhiraj , 10 March, 2020 38K

In this article, we will be creating a LinkedList implementation in Java and perform several operations such as insert a node at the end, insert a node at a given index, delete a node, insert the head...

By Dhiraj , 16 March, 2020 8K

Let us discuss how can we implement doubly linked lists in Java. We will provide a custom implementation of doubly-linked lists and perform multiple operations such as insertion, deletion, and travers...

By Dhiraj , 24 May, 2020 16K

In this article, we will discuss how to implement the circular linked list in Java and its advantages. We will also see how to perform different operations such as Insertion, Deletion, and Search....

By Dhiraj , 26 May, 2020 3K

In this article, we will discuss 2 different ways to reverse a given linked list using an iterative and recursive way in Java....

By Dhiraj , 27 May, 2020 7K

In this article, we will discuss how two numbers represented as linked lists can be added together and store the result in a new linked list....

By Dhiraj , 29 May, 2020 2K

In this article, we will implement the algorithm to find the intersection node of two given linked lists in Java. The intersection node is the common merging node between two given linked lists....

By Dhiraj , 11 March, 2020 11K

In this article, we will provide a custom implementation of Tree data structure in Java. We will discuss a special case of Tree, i.e.- Binary Search Tree(BST). We will perform multiple tree operations...

By Dhiraj , 18 April, 2020 16K

In this article, we will discuss 3 different techniques for Level Order Traversal of a binary tree. This technique can be used to find the left and right view of the tree....

By Dhiraj , 26 April, 2020 3K

In this article, we print the left view of a binary tree with level order traversal by using the Queue data structure....

By Dhiraj , 27 April, 2020 9K

In this article, we will print the top and bottom view of a binary tree. For this, we need to perform vertical order traversal on the tree and then we can easily find out the top and bottom view of it...

By Dhiraj , 27 April, 2020 1K

In this article, we will implement the algorithm to find the least common ancestor(LCA) of two nodes in a given binary tree in Java. LCA of two nodes is the first common ancestor node of given nodes....

By Dhiraj , 29 April, 2020 5K

In this article, we will implement the algorithm to find the distance between any two nodes in a binary tree using Java. The basic of this algorithm is to first find the lowest common ancestor of give...

By Dhiraj , 30 April, 2020 5K

In this article, we will implement the algorithm to print the path from the root node to any given node. We will be using a stack to keep a track of the path and implement the algorithm in Java....

By Dhiraj , 05 May, 2020 6K

In this article, we will implement the algorithm to check if a given binary tree is a valid binary search(BST) tree or not. We will use a recursive approach in Java to implement the algorithm....

By Dhiraj , 06 May, 2020 1K

In this article, we will implement the algorithm to check if a given binary tree is the subtree of another binary tree in Java....

By Dhiraj , 10 May, 2020 4K

n this article, we will implement the algorithm to find the mirror image of a given binary tree in Java....

By Dhiraj , 21 March, 2020 21K

In this article, we will discuss how to implement a Graph data structure in Java using the adjacency list representation of Graph. We will perform insert and search operations. We will implement the B...

By Dhiraj , 06 April, 2020 23K

In this article, we will discuss about how we can implement Dijkstra algorithm in Java to find the shortest paths between nodes in a graph....

By Dhiraj , 11 May, 2020 17K

Algorithm implementation to find the kth largest and smallest element using heap in Java....

By Dhiraj , 23 May, 2020 6K

In this article, we will discuss sorting a nearly sorted or K sorted array using Heap data structure in Java....

By Dhiraj , 25 May, 2020 5K

In this article, we will discuss the Trie data structure and implement it in Java and perform the search operations....

By Dhiraj , 26 June, 2020 2K

In this article, we will cover the core concepts of dynamic programming(DP) and discuss all the fundamentals required to get started with it....