01: /*
02: * JScience - Java(TM) Tools and Libraries for the Advancement of Sciences.
03: * Copyright (C) 2006 - JScience (http://jscience.org/)
04: * All rights reserved.
05: *
06: * Permission to use, copy, modify, and distribute this software is
07: * freely granted, provided that this notice is preserved.
08: */
09: package javax.measure.quantity;
10:
11: import javax.measure.unit.SI;
12: import javax.measure.unit.Unit;
13:
14: /**
15: * This interface represents the measure of the quantity of matter that a body
16: * or an object contains. The mass of the body is not dependent on gravity
17: * and therefore is different from but proportional to its weight.
18: * The system unit for this quantity is "kg" (kilogram).
19: *
20: * @author <a href="mailto:jean-marie@dautelle.com">Jean-Marie Dautelle</a>
21: * @version 1.0, January 14, 2006
22: */
23: public interface Mass extends Quantity {
24:
25: /**
26: * Holds the SI unit (Système International d'Unités) for this quantity.
27: */
28: public final static Unit<Mass> UNIT = SI.KILOGRAM;
29:
30: }
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