问个字符编码的问题java

Question

unicode字符编码，gbk是英文一个字节中文2个字节，utf-8是英文一个字节，中文3个字节.可在java中，char型数据无论中英文都是2个字节，char型数据是对应什么什么编码？还有什么字符编码可否简单的介绍一二？

Answer 1

编码多呢。这是我电脑上安装的所有编码

IBM EBCDIC (US-Canada)
OEM United States
IBM EBCDIC (International)
Arabic (ASMO 708)
Arabic (DOS)
Greek (DOS)
Baltic (DOS)
Western European (DOS)
Central European (DOS)
OEM Cyrillic
Turkish (DOS)
OEM Multilingual Latin I
Portuguese (DOS)
Icelandic (DOS)
Hebrew (DOS)
French Canadian (DOS)
Arabic (864)
Nordic (DOS)
Cyrillic (DOS)
Greek, Modern (DOS)
IBM EBCDIC (Multilingual Latin-2)
Thai (Windows)
IBM EBCDIC (Greek Modern)
Japanese (Shift-JIS)
Chinese Simplified (GB2312)
Korean
Chinese Traditional (Big5)
IBM EBCDIC (Turkish Latin-5)
IBM Latin-1
IBM EBCDIC (US-Canada-Euro)
IBM EBCDIC (Germany-Euro)
IBM EBCDIC (Denmark-Norway-Euro)
IBM EBCDIC (Finland-Sweden-Euro)
IBM EBCDIC (Italy-Euro)
IBM EBCDIC (Spain-Euro)
IBM EBCDIC (UK-Euro)
IBM EBCDIC (France-Euro)
IBM EBCDIC (International-Euro)
IBM EBCDIC (Icelandic-Euro)
Unicode
Unicode (Big-Endian)
Central European (Windows)
Cyrillic (Windows)
Western European (Windows)
Greek (Windows)
Turkish (Windows)
Hebrew (Windows)
Arabic (Windows)
Baltic (Windows)
Vietnamese (Windows)
Korean (Johab)
Western European (Mac)
Japanese (Mac)
Chinese Traditional (Mac)
Korean (Mac)
Arabic (Mac)
Hebrew (Mac)
Greek (Mac)
Cyrillic (Mac)
Chinese Simplified (Mac)
Romanian (Mac)
Ukrainian (Mac)
Thai (Mac)
Central European (Mac)
Icelandic (Mac)
Turkish (Mac)
Croatian (Mac)
Unicode (UTF-32)
Unicode (UTF-32 Big-Endian)
Chinese Traditional (CNS)
TCA Taiwan
Chinese Traditional (Eten)
IBM5550 Taiwan
TeleText Taiwan
Wang Taiwan
Western European (IA5)
German (IA5)
Swedish (IA5)
Norwegian (IA5)
US-ASCII
T.61
ISO-6937
IBM EBCDIC (Germany)
IBM EBCDIC (Denmark-Norway)
IBM EBCDIC (Finland-Sweden)
IBM EBCDIC (Italy)
IBM EBCDIC (Spain)
IBM EBCDIC (UK)
IBM EBCDIC (Japanese katakana)
IBM EBCDIC (France)
IBM EBCDIC (Arabic)
IBM EBCDIC (Greek)
IBM EBCDIC (Hebrew)
IBM EBCDIC (Korean Extended)
IBM EBCDIC (Thai)
Cyrillic (KOI8-R)
IBM EBCDIC (Icelandic)
IBM EBCDIC (Cyrillic Russian)
IBM EBCDIC (Turkish)
IBM Latin-1
Japanese (JIS 0208-1990 and 0212-1990)
Chinese Simplified (GB2312-80)
Korean Wansung
IBM EBCDIC (Cyrillic Serbian-Bulgarian)
Cyrillic (KOI8-U)
Western European (ISO)
Central European (ISO)
Latin 3 (ISO)
Baltic (ISO)
Cyrillic (ISO)
Arabic (ISO)
Greek (ISO)
Hebrew (ISO-Visual)
Turkish (ISO)
Estonian (ISO)
Latin 9 (ISO)
Europa
Hebrew (ISO-Logical)
Japanese (JIS)
Japanese (JIS-Allow 1 byte Kana)
Japanese (JIS-Allow 1 byte Kana - SO/SI)
Korean (ISO)
Chinese Simplified (ISO-2022)
Japanese (EUC)
Chinese Simplified (EUC)
Korean (EUC)
Chinese Simplified (HZ)
Chinese Simplified (GB18030)
ISCII Devanagari
ISCII Bengali
ISCII Tamil
ISCII Telugu
ISCII Assamese
ISCII Oriya
ISCII Kannada
ISCII Malayalam
ISCII Gujarati
ISCII Punjabi
Unicode (UTF-7)
Unicode (UTF-8)