Core Java tutorial for beginners

This is the index post for Core Java tutorial for beginners as well as for experienced programmer. I have written Core Java tutorials from basic to advanced topics.It will definitely help you learn Java in …

Java 8 tutorial

In this post, we will see about Java 8 tutorial. I have written a lot of tutorials on Java 8. This is index post for all Java 8 posts. Java 8 has lots of new …

Java 8 Optional

In this post, we will see about Java 8 optional. Did you ever get NullPointerException as java developer. If you are experienced java developer, you might have got NullPointerException as some point of time. You …

What is HDFS in Hadoop

The Hadoop Distributed File System is a java based file, developed by Apache Software Foundation with the purpose of providing versatile, resilient, and clustered approach to manage files in a Big Data environment using commodity …

What is HBase in Hadoop?

Hadoop HBase is based on the Google Bigtable (a distributed database used for structured data) which is written in Java. Hadoop HBase was developed by the Apache Software Foundation in 2007; it was just a …

What is Architecture of Hadoop?

Hadoop is the open-source framework of Apache Software Foundation, which is used to store and process large unstructured datasets in the distributed environment. Data is first distributed among different available clusters then it is processed. …

Applications of Big data

Data is omnipresent. It was there in the past, it is now at present, and it will be there in the future also. But the thing that has changed now is that the industries have …

How to Install Hadoop?

Hadoop is an open-source Java-based framework. It was built on Java programming language and Linux Operating system. Hadoop is a tool used for big data processing and many companies are using Hadoop to maintain their …

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