class="java">
import java.nio.charset.Charset;
import java.util.Iterator;
import java.util.Set;
import java.util.SortedMap;
public class CharSetTest{
    public static void main(String[] args){
        SortedMap<String, Charset> map = Charset.availableCharsets();
        Set<String> set = map.keySet();
        for(Iterator<String> iter = set.iterator(); iter.hasNext();){
            System.out.println(iter.next());
        }
    }
}
运行结果:
x-windows-949
x-windows-950
……