import java.nio.charset.Charset;
import java.util.SortedMap;

/**
 * List the available character set encodins.
 * @author Diomidis Spinellis
 */
class ListCharset {
    public static void main(String args[]) {
        SortedMap<String,Charset> ac = Charset.availableCharsets();

        for (String k : ac.keySet())
            System.out.println(k);
    }
}