public static void main(String[] args) {
		//新建Map然后填入数据
		Map<String, String> map = new HashMap<>();
		map.put("key_one", "one");
		map.put("key_two", "two");
		map.put("key_three", "three");
		map.put("key_four", "four");
		map.put("key_five", "five");
		
		//通过Map.Entry<>进行遍历
		for (Map.Entry<String, String> entry:map.entrySet()) {
			System.out.println(entry.getKey());		//获取到map 键
			System.out.println(entry.getValue());	//获取到map 值
		}
	}