Word-count problem with Hadoop MapReduce

See the Hadoop tutorial and original problem here : Hadoop tutorial
Follow the following posts if you have not run the project on Hadoop yet : https://viblo.asia/p/chay-mot-file-jar-tren-hadoop-ByEZkaX25Q0

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INPUT

• Type input : Text
• Path : input.txt
• Description : A paragraph, any text

OUTPUT

• Type output : Text
• Path : output/
• Description : [word] [frequency of occurrence]

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Run project

Project is built on maven, you don't need to install any additional libraries, everything is automatic.
To run the project, find Class WordCount.java and run the program.