字符集变换

字符集转换
   

public class code{    public static void main(string[] args)    {        string temp = "汉";        try        {            //得到utf-8字符编码            byte[] bytes = temp.getbytes("utf-8");            for (byte b : bytes)            {               system.out.println(integer.tohexstring(b));            }            //得到默认字符编码 (gbk)            system.out.println("java默认字符集 " + charset.defaultcharset().displayname());            //得到unicode字符编码            byte[] bytes2 = temp.getbytes("utf-16be");            string unicode = "";            for (int i = 0; i < bytes2.length; i++)            {                unicode += integer.tohexstring(bytes2[i]);            }            system.out.println("unicode 编码" +unicode );            //unicode转汉字            int shui = integer.parseint("6c49", 16);            char i = (char)shui;            system.out.println(i);        }        catch (unsupportedencodingexception e)        {            // todo auto-generated catch block            e.printstacktrace();        }    }}