JSONObject cannot be converted to String by method invocation conversion
Question
(newb alert)
I'm using Java-WebSocket and json-simple .
After resolving problems with put ting to a JSONObject with this question How to avoid Eclipse warnings when using legacy code without generics? , I'm now trying to sendToAll obj but am getting
error: method sendToAll in class WebSocketServerBase cannot be applied
to given types;
ws.sendToAll(obj);
^
required: String
found: JSONObject
reason: actual argument JSONObject cannot be converted to String by method
invocation conversion
1 error
How can I sendToAll obj ?
1 answers
solution1
1 ACCPTED 2013-07-20 23:33:39
obj is a JSONObject , and the method requires a String . I'm sure there is some way to convert your obj into a String identifying it, but I don't know what it is.
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.
Related Question
String[] cannot be converted to int by method invocation conversion?
“cannot be converted to String[] by method invocation conversion”
Actual List cannot be converted to String on method invocation conversion
actual argument … cannot be converted to … by method invocation conversion
actual argument cannot be converted by method invocation conversion
Issue with cannot be converted to char[][] by method invocation conversion
actual argument List<<anonymous Callable<String>>> cannot be converted to List<Callable<String>> by method invocation conversion
Actual argument String cannot be converted to int by method invocation conversion - how to fix it
String cannot be converted to JSONObject?
actual argument Date cannot be converted to int by method invocation conversion
Related Tags