java - Error : This class should provide a default constructor (.....) [Instantiatable] -


i getting following error:

error: class should provide default constructor (a public constructor no arguments) (com.mrad4tech.development.sportss.twitterapi) 

[instantiatable]  package com.mrad4tech.development.sportss;  public class twitterapi {      private string twitterapikey;     private string twitterapisecret;     final static string twitter_token_url = "https://api.twitter.com/oauth2/token";     final static string twitter_stream_url = "https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name=";      public twitterapi(string twitterapikey, string twitterapisecret){         this.twitterapikey = twitterapikey;         this.twitterapisecret = twitterapisecret;     }      ... }

help me please

add default constructor class twitterapi.

//default constructor takes no arguments public twitterapi() {  }

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