encoder and decoder use a supplied ByteBuffer : Charset « I18N « Java Tutorial

1. Java Tutorial
2. I18N
3. Charset

import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;

public class Main {
  public static void main(String[] argv) throws Exception {
    Charset charset = Charset.forName("ISO-8859-1");
    CharsetDecoder decoder = charset.newDecoder();
    CharsetEncoder encoder = charset.newEncoder();
    ByteBuffer bbuf = ByteBuffer.allocateDirect(1024);

    CharBuffer cbuf = CharBuffer.allocate(1024);

    encoder.encode(cbuf, bbuf, false);

    bbuf.flip();

    decoder.decode(bbuf, cbuf, false);

    cbuf.flip();

  }
}