遍历MAP

//JDK1.5

Map map = new HashMap();        
		map.put("1","a");
		map.put("2","b");
		map.put("3","c");
		map.put("4","d");
		map.put("5","e");
		for(Object obj : map.keySet()) {        
			Object key = obj;        
			Object value = map.get(obj);    
			System.out.println("key="+key+" ;value="+value);
		}      

//JDK1.4  

Map map1 =  new HashMap();  
		map1.put("1","a");
		map1.put("2","b");
		map1.put("3","c");
		map1.put("4","d");
		map1.put("5","e");
		Iterator iter = map1.entrySet().iterator();        
		while(iter.hasNext()) {        
			Map.Entry entry = (Map.Entry)iter.next();        
			Object key = entry.getKey();        
			Object value = entry.getValue();     
			System.out.println("key="+key+" ;value="+value);
		}