本文整理了Java中com.github.openjson.JSONObject.keySet()方法的一些代码示例，展示了JSONObject.keySet()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JSONObject.keySet()方法的具体详情如下：
包路径：com.github.openjson.JSONObject
类名称：JSONObject
方法名：keySet

JSONObject.keySet介绍

[英]Returns the set of String names in this object. The returned set is a view of the keys in this object. Set#remove(Object) will remove the corresponding mapping from this object and set iterator behaviour is undefined if this object is modified after it is returned. See #keys().
[中]返回此对象中的字符串名称集。返回的集合是此对象中键的视图。Set#remove（Object）将从此对象中删除相应的映射，如果此对象在返回后被修改，则Set迭代器行为未定义。请参见#keys（）。

代码示例

代码示例来源：origin: com.github.openjson/openjson

public static String[] getNames(JSONObject x) {
  Set<String> names = x.keySet();
  String[] r = new String[names.size()];
  int i = 0;
  for (String name : names) {
    r[i++] = name;
  }
  return r;
}

代码示例来源：origin: triplea-game/triplea

/**
  * Converts the properties of the specified JSON object into a map of equivalent Java types. Any {@link JSONArray}
  * property value will be converted into an equivalent {@code List<Object>}; any {@link JSONObject} property value
  * will be converted into an equivalent {@code Map<String, Object>}.
  *
  * @param jsonObject The JSON object.
  *
  * @return A map of the specified JSON object's properties converted to their equivalent Java types. The keys are the
  *         property names; the values are the property values.
  */
 public static Map<String, Object> toMap(final JSONObject jsonObject) {
  checkNotNull(jsonObject);

  final Map<String, Object> map = new HashMap<>(jsonObject.length());
  for (final String name : jsonObject.keySet()) {
   map.put(name, unwrap(jsonObject.get(name)));
  }
  return map;
 }
}

代码示例来源：origin: org.wicketstuff/wicket-gchart

/**
 * Build instance from a JSONobject.
 *
 * @param json JSON object to build map from. If this contains other
 * JSONObjects nested, a corresponding nested structure of ChartOptions will
 * be built.
 * @return New instance with data from the JSONObject.
 */
public static ChartOptions fromJson(JSONObject json) {
  ChartOptions chartOptions = new ChartOptions();
  for (String key : json.keySet()) {
    Object obj = json.get(key);
    if (obj instanceof JSONObject) {
      chartOptions.put(key, fromJson((JSONObject) obj));
    } else {
      chartOptions.put(key, obj);
    }
  }
  return chartOptions;
}