java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to
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类型转换错误,不能由Object转换为实体类
本来是这样写的,也没有报错:
List<Enterprise> enterprises=importFile.importEmployeeByPoi(file1);int start=enterprises.size();Enterprise[] qiye=(Enterprise[]) enterprises.toArray();
但是运行时,报异常。
改为:
List<Enterprise> enterprises=importFile.importEmployeeByPoi(file1);int start=enterprises.size();Object[] obj= enterprises.toArray();Enterprise[] qiye=new Enterprise[start];for(int i=0;i<obj.length;i++){qiye[i]=(Enterprise) obj[i];}
运行正常。
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原文:
https://stackoverflow.com/questions/22731706/java-lang-classcastexception-ljava-lang-object-cannot-be-cast-to-ljava-lang
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