static boolean allPositive(int[] input, int start, int length) {
        for (int i = length - 1, index = start; i >= 0; i--, index++) {
            if (input[index] <= 0) {
                return false;
            }
        }

        return true;
    }
static boolean allPositive ( int [ ] input , int start , int length ) { for ( int i = length - 1 , index = start ; i >= 0 ; i -- , index ++ ) { if ( input [ index ] <= 0 ) { return false ; } } return true ; }
Check if all symbols in the given range are greater than 0, return
<code>true</code> if so, <code>false</code> otherwise.