AnybiggerthananintcanNEVERbeassignedtoanintoranythingsmallerthanint(byte,char,orshort)withoutexplicitcast.Constantvaluesuptointcanbeassigned(withoutcast)tovariablesoflessersize(e.g.shorttobyte)ifthevaluesarerepresentablebythevariable.Operandsofmathematicalo..
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数据库 时间:
2016-06-16 18:26:02
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