learning java Charset 查看支持的字符集类型

import java.nio.charset.Charset;
import java.util.SortedMap;

public class CharsetTest {
    public static void main(String[] args) {
        SortedMap<String, Charset> map = Charset.availableCharsets();
        for (var alias : map.keySet()){
            System.out.println(alias + "------>" + map.get(alias));
        }
    }
}

output:

Big5------>Big5
Big5-HKSCS------>Big5-HKSCS
CESU-8------>CESU-8
EUC-JP------>EUC-JP
EUC-KR------>EUC-KR
GB18030------>GB18030
GB2312------>GB2312
GBK------>GBK
IBM-Thai------>IBM-Thai
IBM00858------>IBM00858
IBM01140------>IBM01140
IBM01141------>IBM01141
IBM01142------>IBM01142
IBM01143------>IBM01143
IBM01144------>IBM01144
IBM01145------>IBM01145
IBM01146------>IBM01146
IBM01147------>IBM01147
IBM01148------>IBM01148
IBM01149------>IBM01149
IBM037------>IBM037
IBM1026------>IBM1026
IBM1047------>IBM1047
IBM273------>IBM273
IBM277------>IBM277
IBM278------>IBM278
IBM280------>IBM280
IBM284------>IBM284
IBM285------>IBM285
IBM290------>IBM290
IBM297------>IBM297
IBM420------>IBM420
IBM424------>IBM424
IBM437------>IBM437
IBM500------>IBM500
IBM775------>IBM775
IBM850------>IBM850
IBM852------>IBM852
IBM855------>IBM855
IBM857------>IBM857
IBM860------>IBM860
IBM861------>IBM861
IBM862------>IBM862
IBM863------>IBM863
IBM864------>IBM864
IBM865------>IBM865
IBM866------>IBM866
IBM868------>IBM868
IBM869------>IBM869
IBM870------>IBM870
IBM871------>IBM871
IBM918------>IBM918
ISO-2022-CN------>ISO-2022-CN
ISO-2022-JP------>ISO-2022-JP
ISO-2022-JP-2------>ISO-2022-JP-2
ISO-2022-KR------>ISO-2022-KR
ISO-8859-1------>ISO-8859-1
ISO-8859-13------>ISO-8859-13
ISO-8859-15------>ISO-8859-15
ISO-8859-16------>ISO-8859-16
ISO-8859-2------>ISO-8859-2
ISO-8859-3------>ISO-8859-3
ISO-8859-4------>ISO-8859-4
ISO-8859-5------>ISO-8859-5
ISO-8859-6------>ISO-8859-6
ISO-8859-7------>ISO-8859-7
ISO-8859-8------>ISO-8859-8
ISO-8859-9------>ISO-8859-9
JIS_X0201------>JIS_X0201
JIS_X0212-1990------>JIS_X0212-1990
KOI8-R------>KOI8-R
KOI8-U------>KOI8-U
Shift_JIS------>Shift_JIS
TIS-620------>TIS-620
US-ASCII------>US-ASCII
UTF-16------>UTF-16
UTF-16BE------>UTF-16BE
UTF-16LE------>UTF-16LE
UTF-32------>UTF-32
UTF-32BE------>UTF-32BE
UTF-32LE------>UTF-32LE
UTF-8------>UTF-8
windows-1250------>windows-1250
windows-1251------>windows-1251
windows-1252------>windows-1252
windows-1253------>windows-1253
windows-1254------>windows-1254
windows-1255------>windows-1255
windows-1256------>windows-1256
windows-1257------>windows-1257
windows-1258------>windows-1258
windows-31j------>windows-31j
x-Big5-HKSCS-2001------>x-Big5-HKSCS-2001
x-Big5-Solaris------>x-Big5-Solaris
x-euc-jp-linux------>x-euc-jp-linux
x-EUC-TW------>x-EUC-TW
x-eucJP-Open------>x-eucJP-Open
x-IBM1006------>x-IBM1006
x-IBM1025------>x-IBM1025
x-IBM1046------>x-IBM1046
x-IBM1097------>x-IBM1097
x-IBM1098------>x-IBM1098
x-IBM1112------>x-IBM1112
x-IBM1122------>x-IBM1122
x-IBM1123------>x-IBM1123
x-IBM1124------>x-IBM1124
x-IBM1129------>x-IBM1129
x-IBM1166------>x-IBM1166
x-IBM1364------>x-IBM1364
x-IBM1381------>x-IBM1381
x-IBM1383------>x-IBM1383
x-IBM300------>x-IBM300
x-IBM33722------>x-IBM33722
x-IBM737------>x-IBM737
x-IBM833------>x-IBM833
x-IBM834------>x-IBM834
x-IBM856------>x-IBM856
x-IBM874------>x-IBM874
x-IBM875------>x-IBM875
x-IBM921------>x-IBM921
x-IBM922------>x-IBM922
x-IBM930------>x-IBM930
x-IBM933------>x-IBM933
x-IBM935------>x-IBM935
x-IBM937------>x-IBM937
x-IBM939------>x-IBM939
x-IBM942------>x-IBM942
x-IBM942C------>x-IBM942C
x-IBM943------>x-IBM943
x-IBM943C------>x-IBM943C
x-IBM948------>x-IBM948
x-IBM949------>x-IBM949
x-IBM949C------>x-IBM949C
x-IBM950------>x-IBM950
x-IBM964------>x-IBM964
x-IBM970------>x-IBM970
x-ISCII91------>x-ISCII91
x-ISO-2022-CN-CNS------>x-ISO-2022-CN-CNS
x-ISO-2022-CN-GB------>x-ISO-2022-CN-GB
x-iso-8859-11------>x-iso-8859-11
x-JIS0208------>x-JIS0208
x-JISAutoDetect------>x-JISAutoDetect
x-Johab------>x-Johab
x-MacArabic------>x-MacArabic
x-MacCentralEurope------>x-MacCentralEurope
x-MacCroatian------>x-MacCroatian
x-MacCyrillic------>x-MacCyrillic
x-MacDingbat------>x-MacDingbat
x-MacGreek------>x-MacGreek
x-MacHebrew------>x-MacHebrew
x-MacIceland------>x-MacIceland
x-MacRoman------>x-MacRoman
x-MacRomania------>x-MacRomania
x-MacSymbol------>x-MacSymbol
x-MacThai------>x-MacThai
x-MacTurkish------>x-MacTurkish
x-MacUkraine------>x-MacUkraine
x-MS932_0213------>x-MS932_0213
x-MS950-HKSCS------>x-MS950-HKSCS
x-MS950-HKSCS-XP------>x-MS950-HKSCS-XP
x-mswin-936------>x-mswin-936
x-PCK------>x-PCK
x-SJIS_0213------>x-SJIS_0213
x-UTF-16LE-BOM------>x-UTF-16LE-BOM
X-UTF-32BE-BOM------>X-UTF-32BE-BOM
X-UTF-32LE-BOM------>X-UTF-32LE-BOM
x-windows-50220------>x-windows-50220
x-windows-50221------>x-windows-50221
x-windows-874------>x-windows-874
x-windows-949------>x-windows-949
x-windows-950------>x-windows-950
x-windows-iso2022jp------>x-windows-iso2022jp