elasticsearch index all code example

Example 1: elasticsearch show indexes

GET /_cat/indices

curl -X GET "localhost:9200/_cat/indices?pretty"

Example 2: java program to get all cat indices in elasticsearch javadoc

GetIndexRequest request = new GetIndexRequest().indices("*");
GetIndexResponse response = client.indices().get(request, RequestOptions.DEFAULT);
String[] indices = response.getIndices();