/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
        String str = "Olá Mundo!";
        String encodings[] = { "UTF-8", "UTF-16", "ISO-8859-1" };
        for (String encoding : encodings) {
            showBytes(str, encoding);
        }
    }

    static void showBytes(String str, String encoding) throws Exception {
        System.out.print(encoding + ":");
        for (byte b : str.getBytes(encoding)) {
            System.out.printf(" %02X", b);
        }
        System.out.println();
    }
}