code: public void setAlignment(final int col, final Alignment alignment) {
  		columnAlignments[col] = alignment == null ? Alignment.LEFT : alignment;
  	}
docs: Sets the alignment of the given column. An IndexOutOfBoundsException will be thrown if col is out of bounds.
  
  @param col the index of the column to set the alignment of.
  @param alignment the alignment to set.