Spring simplifies java development by managing dependencies. Spring and J2EE have same feature set. However, in early days EJBs (Enterprise Java Beans) was complex to use and slow. That’s why Spring framework was emerged. Inversion Of Control By contrast with traditional programming, in which our custom code makes calls to a library, IOC…

Servlets Today we all are aware of the need of creating dynamic web pages i.e the ones which have the capability to change the site contents according to the time or are able to generate the contents according to the request received by the client. In Java there is a way…

Everything you need to know about Flexbox — CSS flexbox is a one-dimensional layout pattern that makes it easy to design flexible and effective layouts. It uses a flex container. The main idea behind the flex layout is to give the container the ability to alter its items’ width/height (and order) to best fill the available space (mostly…

A guide for beginners — CSS Grid provides a flexible layout module to design web pages without having to deal with float and position. The layout module deals with two dimensional, that means both with rows and columns. There are some basic terminology we need to understand in order to understand the concept of Grid. Grid-Container …

what is Normalization? — Normalization is a database design technique that reduces data inessential and eliminates undesirable anomalies like Update, Insertion and Deletion. The purpose of Normalization is to avoid repetitive data and store the data logically. …

what is collection in java? The Collection in Java is a framework that provides an architecture to store and manipulate the group of objects. Java collections can perform most of the operations we perform on data such as searching,sorting,insertion,manipulation and deletion. Java Collection means a single unit of objects. Java…

what is time complexity? According to Wikipedia, In computer science, the time complexity is the computational complexity that describes the amount of time it takes to run an algorithm. In simple words time complexity is the measurement of time taken by a program to complete the process of running given…

Let us discuss what is oop ? oop refers to object-oriented programming.This concept is being used for a more than a decade and its popular among most of the popular programming languages like java,Smalltalk,c++ and many more. Now question arises what is object,Object is like an entity which exist in…

Before getting started and see the differences between Centralized vs Distributed version control, First we have to understand what is version control, so lets get started… Version Control: The name itself suggests what it is, Version control is a software or a tool that saves/records the changes of a file or a…