Question

求个android开发大神 帮我取出List<Map<String，Object>gt;中的值

Answer 1

private static void test10(){
    List<Map<String,Object>> maps = new ArrayList<>();
    Map<String,Object> hashMap = new HashMap<>();
    hashMap.put("key1","value1");
    hashMap.put("key2","value2");
    hashMap.put("key3","value3");
    maps.add(hashMap);
    hashMap = new HashMap<>();
    hashMap.put("key11","value11");
    hashMap.put("key21","value21");
    hashMap.put("key31","value31");
    maps.add(hashMap);
    for (Map<String,Object> map:maps){
        Set set = map.keySet();
        Iterator iterator = set.iterator();
        while (iterator.hasNext()){
            String key = (String) iterator.next();
            Object value = map.get(key);
            System.out.println(key);
            System.out.println(value);
        }
    }
}