A graph is a pair of (V, E) where V is a set of vertices and E is a set of edges. — Alright, Alright! We all have read the definition of a graph at some point of time in our lives. And the definition goes like this: “A graph is a pair of (V, E) where V is a set of vertices and E is a set of edges.” …

Let’s say we secured the positions of software developer interns at a supermarket. Our task is to develop an application for the market that lists all the cars on sale. —

The adapter design pattern takes an interface and makes it compatible with another interface. — Say, we have got our source code (an interface and its subclasses). Our source code interface makes a request to the third-party library interface. Both the interfaces talk to each other and work in sync perfectly. But a new vendor walked in and wrote…

File system: It is a module of the operating system whose job is to help users store and fetch data. The file system keeps track of free space and data in non-volatile memory with the help of indexes. These indexes come in handy when data is to be stored or…

The observer design pattern is used when 1-M (one to many) relationship exists between objects. Many objects are dependent on one particular object. Such that, when ‘one object’ is modified, the dependent objects are notified automatically. — Well, the definition of the Observer design pattern is quite bookish. Let’s try to understand this with a real-life example. Recently, England hosted the World Test Championship and it was broadcasted by ‘HotStar’ and ‘CriccBuzz’ in India. …

January 05, 1664: Mughal general Shaista Khan has spent three years fighting the Marathas in the south (India). The financial condition of the latter has become dire. Chhatrapati Raje plans to attack the Mughal port of Surat. Surat port is the hub of trade of the Arabian sea and it…

I am a 22-year-old male from India. Most often I and my friends engage in a discussion/debate that why it is difficult for Indian men to find a girlfriend, compared to the western countries, in general. — Dating comes later, the first step is to approach a woman. And while doing so, Indian men are failing to consider the perception of the Indian women towards Indian men. Think about women safety in India, why would an Indian woman even trust an Indian male approaching her?

One month into a start-up as trainees, and we were asked to write a program to send an email, in the Spring project. After trying a lot of different ways, we finally got a solution. Come, let’s have a look. — Okay before moving to the actual coding part and importing java classes, responsible to send email. We need to add those classes (JAR / API), to the class-path of our project. By default, Java does not ship with those classes.

Let’s talk about 3 instances when Java and Python were indistinguishable and 2 instances when they were completely different from each other. 1. Join Method (Same)