as 操作符和强行转换的区别

as 操作符和强行转换的区别

as 操作符和强行转换

System.Object o = new ….;

Student s = (Student) o; //转换失败会抛出InvalidCastException

Student s = o as Student();// 转换失败，s为null

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原文地址：https://www.cnblogs.com/caoshenghe/p/1574034.html