Iterator it = map.entrySet().iterator();
while(it.hasNext()) {
  Map.Entry entry = (Map.Entry)it.next();
  Object key = entry.getKey();
  Object value = entry.getValue();
}

Iterator   itor   =   mm.values().iterator(); 
while(itor.hasNext()){ 
itor.next(); 
}
 
for (Iterator iter = map.entrySet().iterator(); iter.hasNext();) {
            Map.Entry entry = (Map.Entry) iter.next();
            Object key = entry.getKey();
            Object value = entry.getValue();
            // ...
}
 
 
JDK   1.5   以上，并且还使用了泛型   Map   的话，可以使用   foreach   来遍历。 


      
      
      
      

       
       
       
       

        
        
        
        Java code
       
       
       
       

       
       
       
       

        
        
        
        
         
         
         
         

          
          
          
          
          import
          
          
          
           java.util.LinkedHashMap;

          
          
          
          import
          
          
          
           java.util.Map;

          
          
          
          public
          
          
          
           
          
          
          
          class
          
          
          
           Test {
    
    
          
          
          
          public
          
          
          
           
          
          
          
          static
          
          
          
           
          
          
          
          void
          
          
          
           main(String args[]) {
        
        Map
          
          
          
          <
          
          
          
          String, String
          
          
          
          >
          
          
          
           map 
          
          
          
          =
          
          
          
           
          
          
          
          new
          
          
          
           LinkedHashMap
          
          
          
          <
          
          
          
          String, String
          
          
          
          >
          
          
          
          ();
        map.put(
          
          
          
          "
          
          
          
          1
          
          
          
          "
          
          
          
          , 
          
          
          
          "
          
          
          
          a
          
          
          
          "
          
          
          
          );
        map.put(
          
          
          
          "
          
          
          
          2
          
          
          
          "
          
          
          
          , 
          
          
          
          "
          
          
          
          b
          
          
          
          "
          
          
          
          );
        
        
          
          
          
          for
          
          
          
          (Map.Entry
          
          
          
          <
          
          
          
          String, String
          
          
          
          >
          
          
          
           entry : map.entrySet()) {
            System.out.println(entry.getKey() 
          
          
          
          +
          
          
          
           
          
          
          
          "
          
          
          
           --> 
          
          
          
          "
          
          
          
           
          
          
          
          +
          
          
          
           entry.getValue());
        }
    }
}