android 历遍list 赋值List<HashMap<String, Object>> 闪退

Question

protected void listgo(List list) {
List> list1 = null;
for (int i = 0; i < list.size(); i++) {
HashMap map = new HashMap();
map.put("name", list.get(i).toString());
map.put("boolean", false);
System.out.println(map);
list1.add(map);
}
}

    执行到 list1.add(map);闪退

Answer 1

当然啊空指针错误List> list1 = null;改成Listlist1 = new ArrayList<>();