In this comprehensive tutorial I have shown how you can write code for Word Count Example Hadoop for Map Reduce.
Step 1 : Add the dependencies
First of all add this dependencies hadoop-common and hadoop-mapreduce-client-core to your pom.xml file.
Source Code :
Step 2: Create Word Count Mapper file
Create WC_Mapper.java file and add the following code on it.
WC_Mapper.java
Step 3 : Create Word Count Reducer file
Create WC_Reducer.java file and add the following code on it.
WC_Reducer.java
Step 4 : Create Word Count Runner file
Create WC_Runner.java file and add the following code on it.
WC_Runner.java
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