Insertion in a Doubly Linked List

Singly Linked List is the list that holds the links to the next node and so on, each node points to the next node, but the main drawback is it does not point to the last node in the list, Such a linked representation is called Doubly Linked List Representation […]

Program To Implement Queue in Java

A Queue is a linear data structure, following a particular order FIFO (First In First Out) where we can insert elements at one end and remove elements in the other end just like a human queue from the supermarket or railways ticket booking counters. In the previous article, we saw […]

Garbage Collection in Java

Garbage Collection in Java Garbage Collection means and as the name implies freeing up of space by the waste objects or garbage to avoid memory leaks. Since objects are dynamically allocated by using the new keyword how these objects are destroyed and their memory is released for reallocation. Some languages […]

Excel Sheet Protection Check

Detect Sheet Protection Whenever working with a worksheet ever wondered why some menu buttons are not working or ribbon icons are greyed out and no functionality doesn’t work, this happened to me and because of a silly mistake. I can’t say how many times this has happened to me while […]

Queues Interface in Java

Queue Interface: The Queue Interface in Java Collections provide functionality as a Queue in the real-life, it extends the collections interface. It represents real-world queues where people queue in waiting line in front of the Supermarket where new people add up at the end of the line (queue) and the […]

Stack In Java

Stack is a linear data structure ( an abstract data type ) with a fixed capacity. Linear data structure which is simple to use and allows adding and removing elements in a particular order i.e. a last-in-first-out (LIFO)  order. Every element enters the stack from the top and leaves from the […]

LET( ) Function in Excel

What is a LET function in Excel? The LET function in excel is used to assign the name of the calculations of the result. This allows storing of intermediate results of some calculations, values, name of some functions defined inside a formula. These name only apply within the scope of […]

LinkedList in Java

Similar to Arrays in java Linked List is also a Linear data structure. In Linked List unlike arrays elements are not stored in a contiguous locations and they are linked to each other using references(pointers in memory), in Linked List each element has a reference pointing it to the next […]

Two Pointer technique in Java

What is Two pointer technique? A two pointer technique is a technique where given a sorted array we have two starting points or two points of consideration as they both move towards the middle of the array being iterated over, the two pointer technique is a useful tool to utilize […]