Java下，数组转集合，集合转数组！

　　　　　　　　　 String[] strs = new String[] {"34","33","23","12","45"};
		List<String> list = new ArrayList<String>();
		//数组转集合
		list = Arrays.asList(strs);
		//集合转数组
		String[] tags = list.toArray(new String[list.size()]);