content: // cc SequenceFileWriteDemo Writing a SequenceFile
  import java.io.IOException;
  import java.net.URI;
  
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.fs.FileSystem;
  import org.apache.hadoop.fs.Path;
  import org.apache.hadoop.io.IOUtils;
  import org.apache.hadoop.io.IntWritable;
  import org.apache.hadoop.io.SequenceFile;
  import org.apache.hadoop.io.Text;
  
  // vv SequenceFileWriteDemo
  public class SequenceFileWriteDemo {
    
    private static final String[] DATA = {
      "One, two, buckle my shoe",
      "Three, four, shut the door",
      "Five, six, pick up sticks",
      "Seven, eight, lay them straight",
      "Nine, ten, a big fat hen"
    };
    
    public static void main(String[] args) throws IOException {
      String uri = args[0];
      Configuration conf = new Configuration();
      FileSystem fs = FileSystem.get(URI.create(uri), conf);
      Path path = new Path(uri);
  
      IntWritable key = new IntWritable();
      Text value = new Text();
      SequenceFile.Writer writer = null;
      try {
        writer = SequenceFile.createWriter(fs, conf, path,
            key.getClass(), value.getClass());
        
        for (int i = 0; i < 100; i++) {
          key.set(100 - i);
          value.set(DATA[i % DATA.length]);
          System.out.printf("[%s]\t%s\t%s\n", writer.getLength(), key, value);
          writer.append(key, value);
        }
      } finally {
        IOUtils.closeStream(writer);
      }
    }
  }
  // ^^ SequenceFileWriteDemo
  