多选题Which declarations of identifiers are legal？（）A$personsBTwoUsersC*pointDthisE_endline
多选题
Which declarations of identifiers are legal？（）
A
$persons
B
TwoUsers
C
*point
D
this
E
_endline
参考解析
解析：
Java的标识符可以以一个Unicode字符，下滑线（_），美元符（$）开始，后续字符可以是前面的符号和数字，没有长度限制，大小写敏感，不能是保留字。
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