Introduction SQL or Structured Query Language is the globally recognised query language for making use of all the relational databases that we have available to us. Without SQL, one will not be able to effectively perform CRUD operations and will ...

Introduction We know that in Java, most of the things revolve around “Objects and Classes.” The objects and classes have various kinds of relationships that help us design software applications. The multiple relationships that exist in Java are based on ...

Introduction Do you remember the questions in our school exams where we evaluated an infix, postfix or prefix expression? The only thing we could wish for then is a computer program that would directly give us the answer on entering ...

Introduction Are you not able to shuffle and manipulate the pointers in a linked list? Or if you can solve all questions on linked lists? In either case, we have brought you another problem on linked lists, i.e., rearrange a ...

Introduction The linked list data structure is one of the most important topics in technical interviews. It forms a variety of tricky yet straightforward questions. This article explains one such question in detail. Finding whether a linked list contains a ...

Introduction  Linked lists are one of the frequently asked data structures in interviews. Some of the questions on the linked list asked in product-based companies like Amazon, Microsoft are  Detect And Remove Cycle, Merge two sorted linked lists, etc.  This ...

Introduction An array is a collection of elements of similar data types. We can have an array of integers or characters or structures etc. In this blog, we are going to learn about the circular right rotation of an array. ...

Introduction A. J. Perlis and C. Thornton proposed a new version of a binary tree called “Threaded Binary Tree” that uses NULL pointers to improve its traversal process. In a threaded binary tree, NULL pointers are replaced by references of ...

Introduction Hi all, let’s learn today about how to perform Array Rotation. There are various approaches for the same, like the brute force method, the Juggling Algorithm, the Reversal Algorithm, the Block Swap Algorithm, etc.  In detail, let’s discuss one ...

Introduction A linked list is a linear data structure that consists of nodes. Each Node contains a data field and a pointer to the next Node. In Linked List, unlike arrays, elements are not stored at contiguous memory locations but ...