code: public boolean[] exists(List<Get> gets) throws IOException {
      // get(gets) will throw if there are any errors:
      Result[] getResults = batch(gets);
  
      boolean[] exists = new boolean[getResults.length];
      for (int index = 0; index < getResults.length; index++) {
        exists[index] = !getResults[index].isEmpty();
      }
      return exists;
    }
docs: Implementation of {@link org.apache.hadoop.hbase.client.Table#existsAll(List)}.
  
  @param gets a {@link java.util.List} object.
  @return an array of {@link java.lang.Boolean} objects.
  @throws java.io.IOException if any.