HarmonyOS 集合判断是否包含api差异

private boolean isContainMap(List<Map<String, String>> list, Map<String, String> map) {  
  if (list.contains(map)) {  
    return true;  
  } else {  
    list.add(map);  
    return false;  
  }  
}

if (list.has(map)) {  
  return true;  
} else {  
  list.add(map);  
  return false;  
}