Character encoding format in j2me

Question

Hi,
I am new to this forum.
I have some queries regarding Character encoding support in j2me.
1. What is the character encoding format supported in j2me?
2. Is it varies from device to device or same in all j2me devices?
3. Whether all j2me devices support UTF-8 format?
4. Are some devices sopport UTF-16 (or UTF-16BE/UTF-16LE)?
5. If a device supports UTF-8 scheme, can we assume that it will support all the languages(i am somehow concerned for Chineese)?
Eagerly waiting for the feedbacks :)

Answer 1

Not all devices has support for even UTF-8.
Use this class I wrote for my projects. This is implementation of Reader so you may easy use it anywhere.
* Created on 12.03.2008 14:21
package misc;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
* Reader of UTF-8 encoded string from bytes
* @author RFK
public class UTF8InputStreamReader extends Reader{
  InputStream is;
  /** Creates a new instance of UTF8InputStreamReader */
  public UTF8InputStreamReader(InputStream is) {
    this.is=is;
  public int read(char[] cbuf, int off, int len) throws IOException {
    int b,b2,b3, r=0;
    while (len>0){
      b = is.read();
      if (b<0) break;
      if (b<128)
        cbuf[off]= (char)b;
      else if (b<224){
        b2 = is.read();
        cbuf[off]= (char)(((b& 0x1F) << 6) | (b2 & 0x3F));
      } else {
        b2 = is.read();
        b3 = is.read();
        cbuf[off]=  (char)(((b & 0x0F) << 12) | ((b2 & 0x3F) << 6) | (b3 & 0x3F));
      r++;
      off++;
      len--;
    return r;
  public void close() throws IOException {
    is.close();
}Edited by: MagDel on Jun 1, 2009 10:33 PM