| 
 
| import java.util.*; 
 class MapDemo2
 {
 public static void main(String[] args)
 {
 Map<String,String> map=new HashMap<String,String>();
 map.put("01","zhangsan1");
 map.put("02","zhangsan2");
 map.put("03","zhangsan3");
 map.put("04","zhangsan4");
 
 Set<Map.Entry<String,String>> entry=map.entrySet();
 
 Iterator<Map.Entry<String,String>> it=entry.iterator();
 
 while(it.hasNext())
 {
 Map.Entry<String,String> me=it.next();
 
 String key=me.getKey();
 String value=me.getValue();
 
 System.out.println(key+"&&&"+value);
 }
 }
 }
 
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