import java.io.*;

    class AppendArray                  // jdk 1.0.2
      { 
      public static void main (String args[]) 
        { 
        StringBufferInputStream sbis;
        ByteArrayOutputStream baos;
        byte[] abOutput;
        byte[] ab;
        int iReadLength;
        String s;

        try
          {
          ab = new byte[3];
          s = "abcdefghijklmnopqrstuvwxyz";
          sbis = new StringBufferInputStream (s);
          baos = new ByteArrayOutputStream ();

          while ((iReadLength = sbis.read (ab, 0, 3)) != -1)
            {
            baos.write (ab, 0, iReadLength);
            }

          abOutput = baos.toByteArray ();
          s = new String (abOutput, 0);
          System.out.println ("The final array is -->" + s + "<--");
          }

        catch (Exception e)
          {
          System.out.println ("Exception: " + e);
          }
        } 
      }