import java.util.HashMap;

 import java.util.Iterator;

 import java.util.Map;

 import java.util.Map.Entry;

 public class TestMap {

     /**

      * @param args

      */

     public static void main(String[] args) {

         // TODO Auto-generated method stub

         Map m = new HashMap();

         m.put("sb", "s");

         m.put("bs", "b");

         Iterator<Entry<String, String>> it = m.entrySet().iterator();

          while (it.hasNext()) {

              Map.Entry<String, String> entry =  it.next();

              String key = entry.getKey();

              String value = entry.getValue();

              System.out.println("key = " + key + "; value = " + value);

          }

     }

 }