23 

    23 

    24 package mappkg;

    24 package mappkg;

    25 

    25 

    26 import java.util.Iterator;

    26 import java.util.Iterator;

    27 

    27 

    28 public interface Map {

    35 public interface Map {

    29     public void put(Object key, Object value);

    36     public void put(Object key, Object value);

    30     public boolean contains(Object key);

    37     public boolean contains(Object key);

    31     public Object get(Object key);

    38     public Object get(Object key);

    32     public void remove(Object key);

    39     public void remove(Object key);