常用字符编码

/** * 字符编码常量 */public interface CharSets {    /**     * Seven-bit ASCII, a.k.a. ISO646-US, a.k.a. the Basic Latin block of the     * Unicode character set     */    String US_ASCII = "US-ASCII";    /**     * ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1     */    String ISO_8859_1 = "ISO-8859-1";    /**     * Eight-bit UCS Transformation Format     */    String UTF_8 = "UTF-8";    /**     * Sixteen-bit UCS Transformation Format, big-endian byte order     */    String UTF_16BE = "UTF-16BE";    /**     * Sixteen-bit UCS Transformation Format, little-endian byte order     */    String UTF_16LE = "UTF-16LE";    /**     * Sixteen-bit UCS Transformation Format, byte order identified by an     * optional byte-order mark     */    String UTF_16 = "UTF-16";}