code: public String tabMaker(int n) {
  		StringBuilder buf = new StringBuilder("");
  
  		for (int i = 1; i <= n; i++) {
  			buf.append("  ");
  		}
  		String tab = buf.toString();
  		return tab;
  	}
docs: Calculates the number of tabulations to write at the beginning of a line
  
  @param n
  number of tabulations
  @return string with the given number of 'spaced' tabs