嗨，这个转换工具应该可以。这里发生的是调用方法 .getKeys() 在linkedhashmap对象上获取所有密钥。然后针对每个键，从linkedhashmap检索信息并将其放入jsonobject中

// Your input LinkedHashMap
    LinkedHashMap<String, String> linkedHashMap = new LinkedHashMap<String, String>();
    // Providing general values for the test
    linkedHashMap.put("First key", "First value");
    linkedHashMap.put("Second key", "Second value");
    linkedHashMap.put("Third key", "Third value");
    // Initialization of the JSONObject
    JSONObject jsonObject = new JSONObject();
    // for-each key in the LinkedHashMap get the value and put both of
    // them into the JSON 
    for (String key : linkedHashMap.keySet()) {
        jsonObject.put(key, linkedHashMap.get(key));
    }

你关心的部分应该是for循环。
干杯，

简单的jsonobject构造函数就可以做到这一点

for(Object entry : entries){
  JSONObject entryToProcess = new JSONObject((LinkedHashMap)entry);
}

样品：

LinkedHashMap<String,Object> linkedHashMap = new LinkedHashMap<>();
linkedHashMap.put("A",1);
linkedHashMap.put("some key","some value");
Map<String, String> someMap = new HashMap<>();
someMap.put("map-key-1","map-value-1");
someMap.put("map-key-2","map-value-2");
linkedHashMap.put("another key",someMap);
JSONObject jsonObject = new JSONObject(linkedHashMap);
System.out.println(jsonObject.toJSONString());

输出：

{
  "another key": {
    "map-key-1": "map-value-1",
    "map-key-2": "map-value-2"
  },
  "A": 1,
  "some key": "some value"
}