wordCount的认识（java版）

public class MyMapper extends Mapper<LongWritable, Text, Text, LongWritable> {

@Override
protected void map(LongWritable inKey, Text inValue, Context context)
throws IOException, InterruptedException {

//逻辑实现

}

}

public class MyReducer extends Reducer<Text, LongWritable,Text, LongWritable>{

@Override
protected void reduce(Text inKey, LongWritable inValue,Context context)
throws IOException, InterruptedException {

//逻辑实现

}
}

public static void main(String[] args) throws Exception {

Job job = Job.getInstance();
job.setJarByClass(Driver.class);
job.set...

}