<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-annotations</artifactId>
<version>${hadoop.version}</version>
</dependency>
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Mapper.Context;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
@Mapper
public class MyMapper extends Mapper<LongWritable, Text, Text, Text> {
// Mapper code here
}
