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多选题
Choose the three valid identifiers from those listed below.（）
A
I Do Like The Long Name Class
B
$byte
C
const
D
_ok
E
3_case
参考答案
参考解析
解析：
Java中的标示符必须是字母、美元符($)或下划线(_)开头。关键字与保留字不能作为标示符。选项C中的const是Java的保留字，所以不能作标示符。选项E中的3_case以数字开头，违反了Java的规则。
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