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Author Archives: Aashu Aggarwal

Aashu has graduated in Computer Science from Kurukshetra University. During her career she has been mostly involved with Java and related frameworks like Spring, Spark along with Python, NodeJs. She has been developing and architecting on projects for fin-tech companies, retail, telecommunications to name a few. Currently she is working as Chief Agile Officer as well as Delivery head for a startup in India where she is setting up company wide processes for projects and working on projects based on Java, Python, Big Data and Machine Learning.

Apache Spark Tutorial for Beginners

In this post, we feature a comprehensive Apache Spark Tutorial for Beginners. We will be looking at Apache Spark in detail, how is it different than Hadoop, and what are the different components that are bundled in Apache Spark. Also, we will look at RDDs, which is the heart of Spark and a simple example of RDD in java. Table ...

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Apache Spark Installation Guide

In this post, we feature a comprehensive Apache Spark Installation Guide. 1. Introduction Apache Spark is an open-source cluster computing framework with in-memory data processing engine. It provides API in Java, Scala, R, and Python. Apache Spark works with HDFS and can be up to 100 times faster than Hadoop Map-Reduce. It also supports other high-level tools like Spark-SQL for ...

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Java Division Example

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In this article, we will have a look at integer java division example to see different ways of how division works. 1. How to perform division in Java In java, / is the division operator. Depending upon the type of variables fed in the division operator, result of the division can be an integer or a value with precision. 1.1 ...

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Java Wait Example

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1. Introduction In this article, we will work on an example to implement wait, notify, notifyAll in Java multithreaded environment. Thread is a lightweight process within java process. Multithreading helps in maximizing CPU utilization. It allows concurrent execution of multiple parts of java program using threads. All java programs (multithreaded or not) by default, start within a thread named as main ...

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