java - How to write a json to add a list? -


i need create json this.

{     "list": [         {             "description": "abc",             "id": "music",             "issent": "0"         },         {             "description": "abc",             "id": "music",             "issent": "0"         }     ] }

this code i'm using write json. not display values i'm getting through database.it repeats data last column of database 

jsonobject jo = new jsonobject(); jsonarray ja = new jsonarray();  map<string, object> data = new hashmap<string, object>();  try {     statement ac = dbl.getconnection().createstatement();     resultset r5 = ac.executequery("select * msg");     while (r5.next()) {         system.out.println("value taken database" + r5.getstring("content"));          data.put("description", r5.getstring("content"));         data.put("id", r5.getstring("id"));         data.put("issent",r5.getstring("issent"));          ja.put(jo);         }     ja.put(data);      system.out.println(data);      jsonobject mainobj = new jsonobject();      ret = mainobj.put("list", ja).tostring(); } 

    jsonobject final = new jsonobject();     jsonarray ja = new jsonarray(); try {     statement ac = dbl.getconnection().createstatement();     resultset r5 = ac.executequery("select * msg");    while(r5.next()){         system.out.println("value taken database"+r5.getstring("content"));         jsonobject jo = new jsonobject();         jo.put("description", r5.getstring("content"));         jo.put("id", r5.getstring("id"));         jo.put("issent",r5.getstring("issent"));         ja.put(jo); }     ret= final.put("list", ja).tostring();

try above one. should work.


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