public void endOfLine(int column, int row) {
    if (column >= 0 && column < columns && row >= 0 && row < rows) {
      buffer[column][row].endOfLine();
      for (int i = column + 1; i < columns; i++) {
        buffer[i][row].reset();
      }
    }
  }
Represents a buffer of the terminal screen for double-buffering.
hbase-hbtop/src/main/java/org/apache/hadoop/hbase/hbtop/terminal/impl/ScreenBuffer.java