import javax.measure.*; import javax.measure.quantity.*; public class JSR275Example { public static void main(String[] args) { Quantity<Length> length1 = Quantities.getQuantity(5, SI.METER); Quantity<Length> length2 = Quantities.getQuantity(3, SI.METER); Quantity<Area> area = length1.multiply(length2).asType(Area.class); System.out.println("Area: " + area); } }