| Package | Description | 
|---|---|
| com.hazelcast.client.util | This package contains some utility classes and the base implementations of the
 loadbalancer implementations | 
| com.hazelcast.cluster | This package contains the cluster functionality. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractLoadBalancerAn abstract  LoadBalancerimplementation. | 
| class  | RandomLBA  LoadBalancerthat selects a random member to route to. | 
| class  | RoundRobinLBA  LoadBalancerimplementation that relies on using round robin
 to a next member to send a request to. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | InitialMembershipListenerThe InitialMembershipListener is a  MembershipListenerthat first receives anInitialMembershipEventwhen it is registered so it immediately knows which members are available. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MembershipAdapterAdapter for MembershipListener. | 
| Modifier and Type | Method and Description | 
|---|---|
| UUID | Cluster. addMembershipListener(MembershipListener listener)Adds MembershipListener to listen for membership updates. | 
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