Java-String
問題文
(boolean)
boolean
(isEmpty)
isEmpty
(substring)
substring
(indexOf)
indexOf
(lastIndexOf)
lastIndexOf
(contains)
contains
(startsWith)
startsWith
(endsWith)
endsWith
(equals)
equals
(Object)
Object
(equalsIgnoreCase)
equalsIgnoreCase
(compareTo)
compareTo
(compareToIgnoreCase)
compareToIgnoreCase
(toUpperCase)
toUpperCase
(toLowerCase)
toLowerCase
(concat)
concat
(replace)
replace
(trim)
trim
(split)
split
(char)
char
(value)
value
(value)
value
(offset)
offset
(count)
count
(charAt)
charAt
(toCharArray)
toCharArray
(codePointAt)
codePointAt
(codePointBefore)
codePointBefore
(codePointCount)
codePointCount
(offsetByCodePoints)
offsetByCodePoints
(index)
index
(beginIndex)
beginIndex
(endIndex)
endIndex
(codePointOffset)
codePointOffset
(charSet)
charSet
(charsetName)
charsetName
(defaultCharset)
defaultCharset
(forName)
forName
(getBytes)
getBytes
(bytes)
bytes
(offset)
offset