question: public static String removeQuotes ( String s ) { if ( s == null ) { return null ; } String trimmed = s . trim ( ) ; if ( trimmed . length ( ) == 0 ) { return trimmed ; } int i = nextNonQuoteIndex ( trimmed , 0 , true ) ; int j = nextNonQuoteIndex ( trimmed , trimmed . length ( ) - 1 , false ) ; return trimmed . substring ( i , j + 1 ) ; }
target:  Trims white spaces and remove quotes from the string.