import java.io.*;
import java.util.*;
class Ideone
{
    public static void main(String[] args) throws Exception
    {
        String s = "𝟘𝟙𝟚𝟛";
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);
        dos.writeUTF(s);
        dos.flush();
        byte[] buf = baos.toByteArray();
        System.out.println(buf.length);
        System.out.println(Arrays.toString(buf));
        System.out.println(Arrays.toString(s.getBytes()));
        System.out.println(s.getBytes().length);
        System.out.println(new String(s.getBytes()));
        ByteArrayInputStream bais = new ByteArrayInputStream(buf);
        DataInputStream dis = new DataInputStream(bais);
        System.out.println(dis.readUTF());
        System.out.println(s.length());
        char[] chars = s.toCharArray();
        int[] codes = new int[chars.length];
        for (int i=0; i<chars.length;i++)
            codes[i]=chars[i];
        System.out.println(Arrays.toString(codes));
    }
}
 

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