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Is it necessary to know Java before learning Hadoop?

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A simple answer to this question is – NO, knowledge of Java is not mandatory to learn Hadoop. You might be aware that Hadoop is written in Java, but, on contrary, I would like to tell you, the Hadoop ecosystem is fairly designed to cater different professionals who are coming from different ba...
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A simple answer to this question is –NO, knowledge of Java is not mandatory to learn Hadoop. You might be aware that Hadoop is written in Java, but, on contrary, I would like to tell you, the Hadoop ecosystem is fairly designed to cater different professionals who are coming from different backgrounds. read less
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While Java knowledge is beneficial for learning Hadoop, it's not strictly necessary. However: _Reasons to know Java:_ 1. Hadoop core components (HDFS, MapReduce) are written in Java. 2. Many Hadoop ecosystem tools (Hive, Pig, Sqoop) use Java APIs. 3. Custom Hadoop development often requires...
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While Java knowledge is beneficial for learning Hadoop, it's not strictly necessary. However: _Reasons to know Java:_ 1. Hadoop core components (HDFS, MapReduce) are written in Java. 2. Many Hadoop ecosystem tools (Hive, Pig, Sqoop) use Java APIs. 3. Custom Hadoop development often requires Java programming. 4. Understanding Java concepts (OOP, multithreading) helps with Hadoop. _Alternatives to Java:_ 1. Python: Popular choice for Hadoop data processing (PySpark, PyHive). 2. Scala: Used for Apache Spark development. 3. R: For data analytics and machine learning on Hadoop. _Hadoop components that don't require Java:_ 1. Hadoop Distributed File System (HDFS) 2. Apache Hive (SQL-like queries) 3. Apache Pig (data processing) 4. Apache Sqoop (data transfer) _Learning paths:_ *Without Java experience:* 1. Start with Hadoop basics (HDFS, MapReduce, ecosystem). 2. Learn Python or Scala for data processing. 3. Focus on Hadoop administration and cluster management. *With Java experience:* 1. Dive deeper into Hadoop core components. 2. Develop custom Hadoop applications. 3. Explore advanced Hadoop topics (YARN, Tez). _Resources:_ 1. Apache Hadoop documentation 2. Hadoop tutorials on Udemy, Coursera, edX 3. "Hadoop: The Definitive Guide" by Tom White 4. Hadoop communities (Reddit, Stack Overflow) In summary, knowing Java is beneficial but not mandatory for learning Hadoop. Focus on Hadoop fundamentals and choose a programming language that suits your needs. Would you like more information on: 1. Hadoop tutorials for beginners? 2. Python or Scala for Hadoop development? 3. Hadoop administration and cluster management? 4. Real-world Hadoop applications? 5. Hadoop certifications? read less
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No you don't need to know java for learning hadoop. Spark is written in Scala. Java Python API are also available for spark. For spark you are using Scala your job will be easy.
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I am online Quran teacher 7 years

No you don't need to know java for learning hadoop. Spark is written in Scala. Java Python API are also available for spark. For spark you are using Scala your job will be easy.
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Related Questions

Can anyone suggest about Hadoop?
Hadoop is good but it depends on your experience. If you don't know basic java, linux, shell scripting. Hadoop is not beneficial for you.
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What should be the fees for Online weekend Big Data Classes. All stack Hadoop, Spark, Pig, Hive , Sqoop, HBase , NIFI, Kafka and others. I Charged 8K and people are still negotiating. Is this too much?
Based on experience we can demand and based on how many hours you are spending for whole course. But anyway 8K is ok. But some of the people are offering 6k. So they will ask. Show your positives compare...
Binay Jha

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