* ~1 c& L0 p4 f) { F3 R" [6 \5 v# }: l$ N M8 j( s
Class ! v& [, ]6 E- w% E" @" |1 j8 J) f
接下来的是类的注释,一般是用来解释类的。 . G! X: G7 i9 ^* a* M
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/** ; y+ Z1 \0 J6 i6 ~
* A class representing a set of packet and byte counters 7 v- o% J7 x; M2 U u" ~+ ]
* It is observable to allow it to be watched, but only 5 k, @ `4 w1 Q; j6 ^; x* reports changes when the current set is complete " |# A& q4 W7 C! t
*/ # u* U" f9 o$ h# ^, X6 w$ F0 s4 S# K- c" ]' m