{emptyparam.user？“Administrator”：param.user}说法正确的是（）。
- A编译时出错，不支持该语法
- B如果参数user为空则返回Administrator否则就返回user的值
- C如果参数user为空字符则返回Administrator否则就返回user的值
- D如果参数user为空则返回user否则就返回Administrator的值
问题
{emptyparam.user？“Administrator”：param
参考解析：
分类：javaweb考试题库
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