List的地址传值_JAVA_编程开发_程序员俱乐部

class="java" name="code">public class Test {

	public static void main(String[] args) {
		
		List<Map<String,Object>> list=new ArrayList<Map<String,Object>>();
		Map<String,Object> map0 = new HashMap<String, Object>();
		Map<String,Object> map1 = new HashMap<String, Object>();
		
		map0.put("hello", "helloo");
		map1.put("world", "worldd");
		list.add(map0);
		list.add(map1);
		
		List<Map<String,Object>> listTmp=new ArrayList<Map<String,Object>>();
		
		for(Map<String,Object> map:list){
			listTmp.add(map);
		}
		
		for(Map<String,Object> mapTmp:listTmp){
			mapTmp.put("java","javaa");
			break;
		}
		
		/**		打印结果
		 * 	hello*****helloo
		 * 	java*****javaa
		 * 	world*****worldd
		 */
		for(Map<String,Object> map:list){
			for(String s: map.keySet()){
				System.out.println(s+"*****"+map.get(s));
			}
		}
	}
}

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