What are the prerequisites for learning Hadoop & big data?

Many of the students ask this question on different platforms. So, in this article I would like to brief all the students about this topic.

Is Java Needed to Know for Hadoop?

Among those questions asked by potential Hadoopers is if Java is a necessity to learn Hadoop. The majority of the students exhibit some sort of disappointment if they ask this question they believe not understanding Java for a limit and they may need to overlook a fantastic career opportunity. But with all the expertise on a lot of jobs and coaching, we could say that it's among the greatest myth that a man or woman who doesn't understand Java can't learn Hadoop.

What's precise use of hadoop?

The Apache Hadoop program library is a framework which permits the distributed processing and storage of large data collections around clusters of computers utilizing easy programming models.

Is it required to understand java for studying Hadoop?

Not mandatory. However, you're taking a look at optimisation of your own Profile, then Java provides that versatility.

Alternatives If You're not interested in Java

It's encouraged for individuals, who are specialists in scripting languages such as Python.

It's Suggested for individuals, who are specialists in SQL programming because syntax is similar to SQL

PIG along with HIVE hides sophistication of Mapreduce Jobs for programmers. They provide greater degree of abstraction to offer solution to business issues.

PIG along with HIVE, equally translates scripts/queries into a streak of Mapreduce jobs. On the performance front, they aren't efficient in contrast to classic Mapreduce jobs implemented in java.

Also Read: WHAT IS BIGDATA AND HADOOP ECOSYSTEM?

How much Java is vital for Hadoop?

If you would like to learn Java just for Hadoop then below are some listing of subject you need to know:

1) Fundamental of Core Java - Variables, Courses, Functions, Inheritance, Package, Handling, Error, Flow Controls, Arrays, API.

3) Some helpful chain function //Useful for information filter Types and Common ArrayList, Hashtable, etc.

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