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- import java.io.IOException;
- import org.apache.hadoop.io.IntWritable;
- import org.apache.hadoop.io.Text;
- import org.apache.hadoop.mapreduce.Reducer;
- public class WordCountReducer extends Reducer<Text, IntWritable, Text, IntWritable> {
- @Override
- public void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
- int wordCount = 0;
- for (IntWritable value : values) {
- wordCount = wordCount + value.get();
- }
- context.write(key, new IntWritable(wordCount));
- }
- }
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