针对你提出的问题 jsonobject["registerport"] is not a number,我将按照你提供的tips来逐步分析和解答: 确认jsonobject["registerport"]的值存在且不为空: 在处理JSON对象时,首先需要确保指定的键(在这个案例中是"registerport")存在,并且其值不为空。这可以通过检查jsonobject中是否包含该键,以及该键对应的值...
sNumber = bf.readLine(); number = Double.parseDouble(sNumber); break; //如果代码能执行到这一行,就说明没有抛出异常 } catch (IOException ioe) { System.err.println("some IOException"); } catch (NumberFormatException nfe) { System.err.println(sNumber + " is Not a legal number!"); } }...
ClassCastException- if the value to which the specified name is mapped is not assignable to JsonNumber type getJsonString JsonStringgetJsonString(Stringname) Returns the string value to which the specified name is mapped. This is a convenience method for(JsonString)get(name)to get the value....
因为安全原因升级了Jenkins。 然后发现Project -- > Configure 那里配置竟然嵌套了,而且保存修改的时候,提示:JSONObject["scm"] is not a JSONObject. 异常信息表明在 JSON 中尝试获取一个名为 “scm” 的属性时,期望得到的是一个 JSONObject,但实际上并不是。可能是因为 JSON 中的 “scm” 属性的值并非一个...
return object instanceof Number?((Num,ber)object).intValue():Integer.parseInt((String)object); } catch (Exception var4) { throw new JSONException("JSONObject[" + quote(key) + "] is not an int."); } } 1. 2. 3. 4. 5.
Example: ["Ford","BMW","Fiat"] is not equal to ["Fiat","BMW","Ford"] 6. JSON can store nested Arrays that are passed as a value. Run Code Online (Sandbox Code Playgroud) JSON 对象 1. JSON objects are written in key/value pairs. 2. Keys must be strings, and values must ...
A modifiable set of name/value mappings. Names are unique, non-null strings. Values may be any mix of JSONObject JSONObjects, JSONArray JSONArrays, Strings, Booleans, Integers, Longs, Doubles or #NULL. Values may not be null, Double#isNaN() NaNs, Double#isInfinite() infinities, or ...
在Java中,可以使用JSONObject类来表示和操作JSON对象。JSONObject是一种键值对的集合,可以通过键来访问对应的值。 要将JSONObject值与布尔值进行比较,可以使用JSON...
Encodes the number as a JSON string. C# [Android.Runtime.Register("numberToString","(Ljava/lang/Number;)Ljava/lang/String;","")]publicstaticstringNumberToString(Java.Lang.Number number); Parameters number Number a finite value. May not beDouble#isNaN() NaNsorDouble#isInfinite() infinities. ...
Get an optional JSONObject associated with a key. long optLong(String key) Get an optional long value associated with a key, or zero if there is no such key or if the value is not a number. long optLong(String key, long defaultValue) Get an optional long value associated with a ...