MyReducer

package Topics;

import java.io.IOException;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
//import org.apache.hadoop.mapred.Reducer.*;
import org.apache.hadoop.mapreduce.Reducer;
//import org.apache.hadoop.mapreduce.Reducer.Context;

public class MyReducer extends Reducer<Text, IntWritable, Text, IntWritable> {
    private IntWritable result = new IntWritable();

    public void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
        int sum = 0;
        for(IntWritable val:values){
            sum += val.get();
        }
        result.set(sum);
        context.write(key, result);
    }
}