Java Interview Questions and Answers
1) What if the main method is declared as private? Ans: The program compiles properly but at runtime, it will give "Main method not public." message. 2) What if the static modifier is removed from the signature of the main method? Ans: Program...
DevOps Jenkins Setup
DevOps Jenkins Setup: DevOps Jenkins is a tool which is used to integrate and deploy the code between multiple applications. It integrates the code from Git repository and deploys through cloud services into another application. First, you have...
Guide on Data Streaming in Big Data
What is Streaming in Big Data? Streaming is a process in which big data is instantly processed so as to extract real-time insights from that. The processing is done while the data is in motion. It is a speed-focused approach wherein a stream of...
Introduction To MapReduce in Big Data
MapReduce is a Programming pattern for distributed computing based on java. MapReduce algorithm has two main jobs: 1) Map 2) Reduce. In Map method, it uses a set of data and converts it into a different set of data, where individual elements are...
HDFS Commands and Operations
In this page, you'll know about the HDFS operations and commands In HDFS operations it consists of five types is: i) Starting HDFS. ii)Listing files in HDFS. iii) Inserting Data into HDFS. iv)Retrieving Data from HDFS. v) Shutting...
Hadoop Environment Setup
In this blog you can go for Creating a user: It is recommended to create a separate user for Hadoop to isolate Hadoop file system from UNIX file system. Follow the steps given below to create a user: Open the root using the command “su”. Create...
Introduction to Hadoop Distributed File System (HDFS)
In this blog, you will learn about Hadoop Distributed File System, features of HDFS and Architecture. The Hadoop Distributed File System (HDFS) is designed to store huge data sets reliably and to flow those data sets at high bandwidth to user...
Automation Anywhere Interview Questions and Answers
1) What do you mean by automation? What are its benefits? Ans: It is basically a process to automate the...
UiPath Interview Questions and Answers
1) What is UiPath? Ans: Converting tedious tasks to total UI automation , UiPath Studio is a complete software solution that enables...
Use Cases for UiPath
UiPath Use cases The process that are being automated most frequently include industry-specific activities, such as loan application...
UiPath Certification Guide – 2018
What is UiPath? UiPath is the best RPA vendor which gives software platform to help organizations to efficiently automate business...
Tutorial on Automation Anywhere Setup
Well, it's all simple. All that you need to do is to follow the steps mentioned below in order to setup...