[[java-admin-indices-create-index]]
==== Create Index

Using an <<java-admin-indices,`IndicesAdminClient`>>, you can create an index with all default settings and no mapping:

[source,java]
--------------------------------------------------
client.admin().indices().prepareCreate("twitter").get();
--------------------------------------------------

[discrete]
[[java-admin-indices-create-index-settings]]
===== Index Settings

Each index created can have specific settings associated with it.

[source,java]
--------------------------------------------------
client.admin().indices().prepareCreate("twitter")
        .setSettings(Settings.builder()             <1>
                .put("index.number_of_shards", 3)
                .put("index.number_of_replicas", 2)
        )
        .get();                                     <2>
--------------------------------------------------
<1> Settings for this index
<2> Execute the action and wait for the result