Answer / Manorama Devi

To write your first MapReduce program, you need to follow these steps:
1. Define a Mapper and Reducer class for your specific problem.
2. Write the logic in the map() and reduce() functions respectively.
3. Create an XML file (Job configuration) that specifies the input and output paths, as well as the mapper and reducer classes.
4. Run the MapReduce job using a Job client.

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