diff --git a/src/main/java/world/bentobox/bentobox/hooks/VaultHook.java b/src/main/java/world/bentobox/bentobox/hooks/VaultHook.java
index 0c3eb3459..9530927d0 100644
--- a/src/main/java/world/bentobox/bentobox/hooks/VaultHook.java
+++ b/src/main/java/world/bentobox/bentobox/hooks/VaultHook.java
@@ -12,6 +12,7 @@ import world.bentobox.bentobox.api.user.User;
  */
 public class VaultHook extends Hook {
 
+    private static final String AMOUNT_MUST_BE_POSITIVE = "Amount must be positive.";
     private Economy economy;
 
     public VaultHook() {
@@ -61,7 +62,7 @@ public class VaultHook extends Hook {
             throw new IllegalArgumentException("User must be a Player or an OfflinePlayer");
         }
         if (amount < 0.0D) {
-            throw new IllegalArgumentException("Amount must be positive.");
+            throw new IllegalArgumentException(AMOUNT_MUST_BE_POSITIVE);
         }
         return economy.withdrawPlayer(user.getPlayer(), amount);
     }
@@ -77,7 +78,7 @@ public class VaultHook extends Hook {
             throw new IllegalArgumentException("User must be a Player or an OfflinePlayer");
         }
         if (amount < 0.0D) {
-            throw new IllegalArgumentException("Amount must be positive.");
+            throw new IllegalArgumentException(AMOUNT_MUST_BE_POSITIVE);
         }
         return economy.depositPlayer(user.getPlayer(), amount);
     }
@@ -92,7 +93,7 @@ public class VaultHook extends Hook {
      */
     public boolean has(User user, double amount) {
         if (amount < 0.0D) {
-            throw new IllegalArgumentException("Amount must be positive.");
+            throw new IllegalArgumentException(AMOUNT_MUST_BE_POSITIVE);
         }
         return user.isPlayer() && economy.has(user.getPlayer(), amount);
     }
diff --git a/src/main/java/world/bentobox/bentobox/listeners/JoinLeaveListener.java b/src/main/java/world/bentobox/bentobox/listeners/JoinLeaveListener.java
index 13edd25b4..d558c5a76 100644
--- a/src/main/java/world/bentobox/bentobox/listeners/JoinLeaveListener.java
+++ b/src/main/java/world/bentobox/bentobox/listeners/JoinLeaveListener.java
@@ -88,9 +88,9 @@ public class JoinLeaveListener implements Listener {
         plugin.getIWM().getOverWorlds().forEach(w -> {
             Island island = plugin.getIslands().getIsland(w, User.getInstance(event.getPlayer()));
             // Are there any online players still for this island?
-            if (island != null &&  !plugin.getServer().getOnlinePlayers().stream()
+            if (island != null && plugin.getServer().getOnlinePlayers().stream()
                     .filter(p -> !event.getPlayer().equals(p))
-                    .anyMatch(p -> plugin.getIslands().getMembers(w, event.getPlayer().getUniqueId()).contains(p.getUniqueId()))) {
+                    .noneMatch(p -> plugin.getIslands().getMembers(w, event.getPlayer().getUniqueId()).contains(p.getUniqueId()))) {
                 // No, there are no more players online on this island
                 // Tell players they are being removed
                 island.getMembers().entrySet().stream()
diff --git a/src/main/java/world/bentobox/bentobox/listeners/flags/BreedingListener.java b/src/main/java/world/bentobox/bentobox/listeners/flags/BreedingListener.java
index 0bc9db45c..603fece06 100644
--- a/src/main/java/world/bentobox/bentobox/listeners/flags/BreedingListener.java
+++ b/src/main/java/world/bentobox/bentobox/listeners/flags/BreedingListener.java
@@ -40,10 +40,8 @@ public class BreedingListener extends FlagListener {
             if (e.getHand().equals(EquipmentSlot.OFF_HAND)) {
                 inHand = e.getPlayer().getInventory().getItemInOffHand();
             }
-            if (inHand != null && BREEDING_ITEMS.contains(inHand.getType())) {
-                if (!checkIsland(e, e.getRightClicked().getLocation(), Flags.BREEDING)) {
-                    ((Animals)e.getRightClicked()).setBreed(false);
-                }
+            if (inHand != null && BREEDING_ITEMS.contains(inHand.getType()) && !checkIsland(e, e.getRightClicked().getLocation(), Flags.BREEDING)) {
+                ((Animals)e.getRightClicked()).setBreed(false);
             }
         }
     }