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Is java necessary to learn Hadoop?

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Yes
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If you want start or learn hadoop development you must require java and basics of linux.
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BTech with 5+ years of Java web application development

Just Basics of oops concepts are sufficient nevertheless Strong knowledge on SQL would help a lot.
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Prefect Training

Hi, In place of java, if you have a knowledge on SQL that helps you Hadoop Ecosystem called hive, basic linux fundamentals and shell scripts.
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Tutor

In simple words, No. With Spark, you can do all the coding with help of scripting languages like Python which are way simpler to learn as compared to Java. Also, if you have SQL background, you can comfortably write your queries in Hive/Pig. -Regards
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IT Courses Trainer

Hi AROGYA, If you are looking Hadoop admin part then you don't need Java part. If you are looking developer then you need in Map Reduce, Spark and Scale part. If know well SQL, Shell and python then that is different story you can choose PIG, Hive and Hbase like some of eco systems. In real time companies...
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Hi AROGYA, If you are looking Hadoop admin part then you don't need Java part. If you are looking developer then you need in Map Reduce, Spark and Scale part. If know well SQL, Shell and python then that is different story you can choose PIG, Hive and Hbase like some of eco systems. In real time companies go for only 3 or 4 Eco systems they won't use all eco systems in single company. Thanx Suresh read less
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Not necessary but recommended. You can learn hadoop using python also.
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Big Data Training Centre

There are different modules in HADOOP. One module called Map Reduce requires very basic Java knowledge. Otherwise in real time most of the people go with other modules where there is less coding & rapid application development.
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Hadoop is written in Java, thus knowledge of Java basics is essential to learn Hadoop.
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Tutor

Yes, If you want to become an Hadoop developer or contributor you must know the Java. In addition to that you must know the linux and networking knowledge for Hadoop administrator jobs.
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Related Questions

Do I need to learn the Java-Hibernate framework to be a Hadoop developer?
Not At All . To be Hadoop Developer , you need the knowledge of basic core Java programming along with SQL . No one will ask any question in interview on hibernate .
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Hi... I am working as linux admin from last 2 yr. Now I want to peruse my career in Big Data hadoop. Please let me know what are opportunities for me and is my experience considerable and what are the challenges.
Hi Vinay, My friend moved from Linux admin to Handoop admin role with very good jump in his career. Definitely it is good move to jump to Hadoop from Linux Admin. Linux Admin market is tough as many...
Vinay Buram
I want to learn Hadoop admin.
Hi Suresh, I am providing hadoop administration training which will lead you to clear the Cloudera Administrator Certification exam (CCA131). You can contact me for course details. Regards Biswanath
Suresh
Is it worth to switch from manual testing to Hadoop?
Yes..Here you can n build your career easily .it is good time to switch into hadoop . You should learn with some realtime experience.after learning u can work into analytics or testing also.programming...
Aditi
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