# Elasticsearch with a java application **URL:** \ **Category:** Elasticsearch\ **Created:** [May 12, 2017, 9:48pm UTC](https://discuss.elastic.co/t/elasticsearch-with-a-java-application/85626 "2017-05-12T21:48:15Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![zegdene](https://avatars.discourse-cdn.com/v4/letter/z/76d3ee/32.png) [@zegdene](https://discuss.elastic.co/u/zegdene)\ **Post date:** [May 12, 2017, 9:48pm UTC](https://discuss.elastic.co/t/elasticsearch-with-a-java-application/85626/1 "2017-05-12T21:48:15Z")
Hi, I m using the Java API and I want to know what is the best way to manipulate data elasticsearch with java application. I m tired to search how i can manipualte this data. I have the in index and i have 282848 document, I want to apply a prediction algorithm for each document so I want to do the search with id of each document and store the result with update document in elasticsearch Is the conversion of json to java object necessary I have blurred notions Thank you in advance for your help ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [May 13, 2017, 4:03am UTC](https://discuss.elastic.co/t/elasticsearch-with-a-java-application/85626/2 "2017-05-13T04:03:05Z")
Jackson library helps doing the conversion from/to json. I'd use that. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [June 10, 2017, 4:04am UTC](https://discuss.elastic.co/t/elasticsearch-with-a-java-application/85626/3 "2017-06-10T04:04:55Z")
Closed on June 10, 2017, 4:04am UTC This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.