MapReduce Program for Size count

 Dear All, 

Here i bring you new sizecount program of MapReduce. Hope this will help for all of you. 

public class SizeCount
{
    public static class Map extends MapReduceBase implements Mapper<LongWritable, Text, Text, IntWritable>
    {

       
        public void map(LongWritable key, Text value,OutputCollector<Text, IntWritable> output, Reporter report) throws IOException
        {
            String sentence=value.toString();
            StringTokenizer token=new StringTokenizer(sentence);
            while(token.hasMoreTokens())
            {
               
                value.set(String.valueOf(token.nextToken().length()));
                output.collect(value, new IntWritable(1));
            }
           
           
        }
       
    }
    public static class Reduce extends MapReduceBase implements Reducer<Text, IntWritable, Text, IntWritable>
    {

       
        public void reduce(Text key, Iterator<IntWritable> values,OutputCollector<Text, IntWritable> output, Reporter report)throws IOException
        {
            int sum=0;
            while(values.hasNext())
            {
                sum+=values.next().get();
            }
            output.collect(key, new IntWritable(sum));
           
           
           
        }
       
    }

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