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关于点操作符和“[ ]”,以下说法不正确的是()。

  • A、 ${user. username}等价于${user. [username]}
  • B、 ${user. username}等价于${user. [“username”]}
  • C、 如果user是一个List, 则${user[0]}的写法是正确的
  • D、 如果user是一个数组, 则${user[0]}的写法是正确的

参考答案

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