private final String tenthsToFixedString(int x){
  int tens=x / 10;
  return Integer.toString(tens) + "." + Math.abs(x - 10 * tens);
}

private final String tenthsToFixedString ( int x ) { int tens = x / 10 ; return Integer . toString ( tens ) + "." + Math . abs ( x - 10 * tens ) ; }
format a number of tenths - units as a decimal string without using a conversion to float . e . g . 347 - > " 34 . 7 " , - 99 - > " - 9 . 9 "
