Hazelcast

In-memory distributed Key-Vale Store

https://hazelcast.org/

import com.hazelcast.config.Config; import com.hazelcast.core.Hazelcast; import com.hazelcast.core.HazelcastInstance; import java.util.concurrent.ConcurrentMap; public class DistributedMap { public static void main(String[] args) { Config config = new Config; HazelcastInstance h = Hazelcast.newHazelcastInstance(config); ConcurrentMap map = h.getMap("my-distributed-map"); map.put("key", "value"); map.get("key"); //Concurrent Map methods map.putIfAbsent("somekey", "somevalue"); map.replace("key", "value", "newvalue"); } }