Java Character Set is the smallest elements of Java language that are used to write about Java tokens. The characters are defined by the Unicode.
The character set is a set of alphabets, letters and some special characters that are valid in Java language.
The first character set used in computing was US-ASCII. It is limited in that it can represent only American English. US-ASCII contains uppercase and lowercase Latin alphabets, numerals, punctuation, a set of control codes, and some miscellaneous symbols.It can define as 16-bit character coding system. It can be supported more than 34,000 defined characters derived from 24 languages from America, Europe, Middle East, Africa, and Asia (including India).
US-ASCII − Seven bit ASCII characters.
ISO-8859-1 − ISO Latin alphabet.
UTF-8 − This is 8 bit UCS transformation format.
UTF-16BE − This is 16 bit UCS transformation format with big endian byte order.
UTF-16LE − This is 16 bit UCS transformation with little endian byte order.