测试instanceof:如果是女人的instanceof返回true, 则一定是人的instance
posted @ 2004-09-23 16:33
posted @ 2004-09-23 16:33
posted @ 2004-09-23 14:42
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posted @ 2004-09-20 16:44
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posted @ 2004-09-20 10:53
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posted @ 2004-09-19 23:53
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posted @ 2004-09-17 16:48
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posted @ 2004-09-17 13:32
posted @ 2004-09-17 13:29