public static Boolean geomCrosses(Geometry a,Geometry b) {
        if(a==null || b==null) {
            return null;
        }
        return a.crosses(b);
    }
public static Boolean geomCrosses ( Geometry a , Geometry b ) { if ( a == null || b == null ) { return null ; } return a . crosses ( b ) ; }
@param a Geometry Geometry.
@param b Geometry instance
@return true if Geometry A crosses Geometry B