java - How to subscribe multiple device token at one time in AWS SNS -

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i using aws sns sending push notification in android , ios devices. can tell me how subscribe multiple device tokens @ same time (not 1 one).

i have code 1 one subscription of device token.

createtopicrequest createtopicrequest = new createtopicrequest("mynewtopic");     createtopicresult createtopicresult = snsclient.createtopic(createtopicrequest);      //print topicarn     system.out.println(createtopicresult);     //get request id createtopicrequest sns metadata     system.out.println("createtopicrequest - " +  snsclient.getcachedresponsemetadata(createtopicrequest));      string topicarn = createtopicresult.gettopicarn()      createplatformapplicationresult platformapplicationresult     string platformapplicationarn = ''      long = system.currenttimemillis()     println("----before-subscription-------" + now)      platformtokens.each { string platformtoken ->          try {             platformapplicationresult = createplatformapplication(applicationname, platform, principal, credential);         } catch (exception e) {             system.out.println("----------------" + e)         }          platformapplicationarn = platformapplicationresult.getplatformapplicationarn();         createplatformendpointresult platformendpointresult = createplatformendpoint(platform, "customdata - useful store endpoint specific data", platformtoken, platformapplicationarn);          string endpointarn = platformendpointresult.getendpointarn()     // system.out.println("------------endpointarn--------------" + endpointarn);        //subscribe sns topic         subscriberequest subrequest = new subscriberequest(topicarn, "application", endpointarn);         snsclient.subscribe(subrequest);

with 1 one subscription taking lot of time more 100 device tokens. please me solve problem.

thanks


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