Dynamic Host Configuration Protocol

Introduction The Dynamic Host Configuration Protocol is also known as DHCP, It is a network management protocol used on Internet Protocol(IP), wherein Dynamically assigning an IP address to other network parameters so the device can easily communicate with other IP networks.  A DHCP server enables the device to request IP […]

Shell Script

A shell script is a computer program designed to be run by the Unix/Linux shell. A shell is a command-line interpreter and typical operations performed by shell scripts include file manipulation, program execution, and printing text. Types of Shell scripts are: The Bourne Shell The C Shell The Korn Shell The […]

SQL Commands

SQL commands: SQL commands are the instructions, given to a database to perofrm some functions and tasks there are also called queries, these commands or rather queries can be used to search the database and can perform functions like creation, updation, delete, replace operations. SQL commands are divided into four […]

Polymorphism in Java

The word polymorphism means having many forms. This feature of object-oriented programming allows us to perform a single action in different ways.  In other words, polymorphism allows you to define one interface and have many implementations. The word “poly” means many and “morphs” means forms, which means multiple forms. In Java, […]

Database Management System

What is DBMS? DBMS stands for Database Management System which is a software used to manage databases. For Example, MySQL, Oracle, etc. are some of the popular commercial DBMS today, it primarily functions as an interface between users and the database at the same time managing the data in order […]

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 […]