1773. 统计匹配检索规则的物品数量

1773. 统计匹配检索规则的物品数量

      class Solution {
          public int countMatches(List<List<String>> items, String ruleKey, String ruleValue) {
              int count = 0;
              if (ruleKey.equals("type")) {
                  for (List<String> item : items ) {
                      if (item.get(0).equals(ruleValue))
                          ++count;
                  }
              } else if (ruleKey.equals("color")) {
                  for (List<String> item : items ) {
                      if (item.get(1).equals(ruleValue))
                          ++count;
                  }
              } else {   //name
                  for (List<String> item : items ) {
                      if (item.get(2).equals(ruleValue))
                          ++count;
                  }
              }
            return  count;
          }
      }