Small cleanup

src/main/java/com/google/code/gossip/manager/random/RandomActiveGossipThread.java

@@ -11,7 +11,7 @@ import com.google.code.gossip.manager.impl.SendMembersActiveGossipThread;
 public class RandomActiveGossipThread extends SendMembersActiveGossipThread {
 
   /** The Random used for choosing a member to gossip with. */
-  private Random _random;
+  private final Random _random;
 
   public RandomActiveGossipThread(GossipManager gossipManager) {
     super(gossipManager);
@@ -21,7 +21,7 @@ public class RandomActiveGossipThread extends SendMembersActiveGossipThread {
   /**
    * [The selectToSend() function.] Find a random peer from the local membership list. In the case
    * where this client is the only member in the list, this method will return null.
-   * 
+   *
    * @return Member random member if list is greater than 1, null otherwise
    */
   protected LocalGossipMember selectPartner(List<LocalGossipMember> memberList) {

src/main/java/com/google/code/gossip/manager/random/RandomGossipManager.java

@@ -1,16 +1,16 @@
 package com.google.code.gossip.manager.random;
 
-import java.util.ArrayList;
-
 import com.google.code.gossip.GossipMember;
 import com.google.code.gossip.GossipSettings;
 import com.google.code.gossip.event.GossipListener;
 import com.google.code.gossip.manager.GossipManager;
 import com.google.code.gossip.manager.impl.OnlyProcessReceivedPassiveGossipThread;
 
+import java.util.List;
+
 public class RandomGossipManager extends GossipManager {
   public RandomGossipManager(String address, int port, String id, GossipSettings settings,
-          ArrayList<GossipMember> gossipMembers, GossipListener listener) {
+          List<GossipMember> gossipMembers, GossipListener listener) {
     super(OnlyProcessReceivedPassiveGossipThread.class, RandomActiveGossipThread.class, address,
             port, id, settings, gossipMembers, listener);
   }