Practice & Preparation for Interviews

Recently, you might have come across a word Kotlin, so in this post, I am going to share about Kotlin and how it is different from JAVA? What is Kotlin? Kotlin is statically typed programming language developed by JetBrains that runs on Java Virtual Machine. It can also be compiled to JavaScript source code. Kotlin is expressive, concise and powerful as it combines object-oriented Programming and functional programming features. It is focused on interoperability, safety and tooling support. Lately, it is really popular within the Android community and most of the developers are switching towards Kotlin. The reason being that Kotlin reduces the lines of code and make it more convenient process for the developers. Let's look at the few important differences between Kotlin and Java Kotlin vs Java : Function Types: Kotlin has the ability to pass the function as a parameter to other functions without resorting to single abstract methods like callable, runnable etc, unlik

Recently, with the advent of various sensors, the amount of data which is getting collected is getting enormous. The data is expanding in terms of volume and with the rise in the volume of the data, it is becoming difficult to handle such data. There are a sudden growth and demand for Data Engineers in the industry during the last five years, and it will keep on growing. During this demand, the industry is in need of good Big Data Engineers and many companies are looking for Data Engineer and Data scientists post. Check out  How to prepare for Data Engineer Interviews  if you are appearing for Data Engineer Interviews. In this article, I will give 10 important basic Big data questions for freshers asked in the interviews nowadays. Also, checkout  Top 25 Data Engineer Questions frequently asked in the Data Engineering Interviews. 1. What is Big Data? Can you give real-life example to explain big data? Big Data is a collection of large and complex datasets that are difficult to