Unicode Han Character 'necessary, essential; necessity' (U+8981)

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Unicode Han Data
kCNS1986 1-5351
kJapaneseOn YOU
kHanyuPinlu yào(8645) yāo(456)
kKorean YO
kRSKangXi 146.3
kKPS0 FAB4
kXHC1983 1339.040:yāo 1343.020:yào
kJapaneseKun IRU MOTOMERU KANAME
kBigFive AD6E
kRSAdobe_Japan1_6 C+3905+38.3.6 C+3905+146.6.3 V+14079+38.3.6 V+14079+146.6.3
kGB1 5010
kGB0 5010
kCNS1992 1-5351
kCCCII 215825
kMandarin yào
kJis0 4555
kEACC 215825
kMainlandTelegraph 6008
kKSC0 7309
kDefinition necessary, essential; necessity
kCantonese jiu1 jiu3
kHangul
kVietnamese yếu
kTang *qiɛ̀u
kHanyuPinyin 42805.080:yāo,yào,yǎo
kXerox 241:066
kTaiwanTelegraph 6008
Encodings
HTML Entity (decimal) 要
HTML Entity (hex) 要
How to type in Microsoft Windows Alt +8981
UTF-8 (hex) 0xE8 0xA6 0x81 (e8a681)
UTF-8 (binary) 11101000:10100110:10000001
UTF-16 (hex) 0x8981 (8981)
UTF-16 (decimal) 35,201
UTF-32 (hex) 0x00008981 (8981)
UTF-32 (decimal) 35,201
C/C++/Java source code "\u8981"
Python source code u"\u8981"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock CJK_UNIFIED_IDEOGRAPHS
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 5
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() Yes
Character.isJavaIdentifierStart() Yes
Character.isLetter() Yes
Character.isLetterOrDigit() Yes
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() Yes
Character.isUnicodeIdentifierStart() Yes
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No