单项选择题X 纠错
A.fun reformat(str: String, normalizeCase: Boolean = true, upperCaseFirstLetter: Boolean = true, divideByCamelHumps: Boolean = false, wordSeparator: Char = ' ') {}
B.fun reformat(str: String, normalizeCase: Int = true, upperCaseFirstLetter: Boolean = true, divideByCamelHumps: Boolean = false, wordSeparator: Char = ' ') {/*……*/}
C.fun reformat(str: String, normalizeCase: Boolean = true, upperCaseFirstLetter: String = true, divideByCamelHumps: Boolean = false, wordSeparator: Char = ' ') {/*……*/}
D.fun reformat(str: String, normalizeCase: Boolean = true, upperCaseFirstLetter: Boolean = true, divideByCamelHumps: String = false, wordSeparator: Char = ' ') {/*……*/}
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A.valresult=double()
B.valresult=String(2)
C.valresult=double(null)
D.valresult=double(2)