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·¢ÐÅÈË: starhill (¹ýºÓ×ä), ÐÅÇø: Java
±ê Ìâ: Re: upcastingÊÇʲôÒâ˼?
·¢ÐÅÕ¾: BBS ˮľÇ廪վ (Mon Aug 23 21:38:18 1999)
upcasting¾ÍÊÇÉÏËÝ.
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