计算年税总额

/*集合 stream 计算年税总额
 * list <Map>
 * [
 * {title="粤嵌",no="123456",amount=850,month=1},
 * {title="天平",no="123457",amount=1100,month=1},
 * {title="粤嵌",no="123456",amount=980,month=2},
 * {title="天平",no="123457",amount=1350,month=2},
 * ]
 */

public static void main(String[] args) {
		List<Map<String , Object >> list = new ArrayList();
		
		Map<String, Object> map1 = new HashMap<String, Object>();
		map1.put("title", "粤嵌");
		map1.put("no", "123456");
		map1.put("amount",850);
		map1.put("month", "1");
		list.add(map1);
		
		Map<String, Object> map2 = new HashMap<String, Object>();
		map2.put("title", "天平");
		map2.put("no", "123457");
		map2.put("amount",1100);
		map2.put("month", "1");
		list.add(map2);
		
		Map<String, Object> map3 = new HashMap<String, Object>();
		map3.put("title", "粤嵌");
		map3.put("no", "123456");
		map3.put("amount",980);
		map3.put("month", "2");
		list.add(map3);
		
		Map<String, Object> map4 = new HashMap<String, Object>();
		map4.put("title", "天平");
		map4.put("no", "123457");
		map4.put("amount",1350);
		map4.put("month", "2");
		list.add(map4);
		
		int county = 0;
		int countt = 0;
		for (int i = 0; i < list.size(); i++) {
			Map re = list.get(i);
			if (re.containsValue("粤嵌")) {
				Integer val = (Integer) re.get("amount");
				county = county + val;
			}
			if (re.containsValue("天平")) {
				Integer val = (Integer) re.get("amount");
				countt = countt + val;
			}
		}
		System.out.println("粤嵌税收总额：" + county);
		System.out.println("天平税收总额：" + countt);

		
		

	}