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You can check them with type hinting and instanceof tests.
可以用类型提示和instance of测试来检查它们。
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"Naked" type parameters can't be used in casts or instanceof operations.
不能在数据类型转换或instance of操作中使用“外露”类型参数。
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In some cases, it may be sensible to use an instanceof check prior to doing a class cast.
在某些情况下,在做类型转换之前用instance of进行检查是有意义的。
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You can check for a sequence by doing bo.getProperty("") instanceof commonj.sdo.Sequence.
可以通过执行 bo.getProperty("") instanceof commonj.sdo.Sequence 检查序列。