Clean up code

src/main/java/com/bbn/hadder/db/Rethink.java

@@ -27,9 +27,9 @@ import org.json.JSONObject;
 import java.lang.reflect.Field;
 
 public class Rethink {
-    private RethinkDB r = RethinkDB.r;
+    private final RethinkDB r = RethinkDB.r;
     private Connection conn;
-    private Config config;
+    private final Config config;
 
     public Rethink(Config config) {
         this.config = config;

src/main/java/com/bbn/hadder/listener/CommandListener.java

@@ -33,9 +33,9 @@ import java.time.Instant;
 
 public class CommandListener extends ListenerAdapter {
 
-    private Rethink rethink;
+    private final Rethink rethink;
-    private CommandHandler handler;
+    private final CommandHandler handler;
-    private AudioManager audioManager;
+    private final AudioManager audioManager;
 
     public CommandListener(Rethink rethink, CommandHandler handler, AudioManager audioManager) {
         this.rethink = rethink;

src/main/java/com/bbn/hadder/listener/GuildListener.java

@@ -30,8 +30,8 @@ import java.time.Instant;
 
 public class GuildListener extends ListenerAdapter {
 
-    private Rethink rethink;
+    private final Rethink rethink;
-    private Config config;
+    private final Config config;
 
     public GuildListener(Rethink rethink, Config config) {
         this.rethink = rethink;

src/main/java/com/bbn/hadder/listener/MentionListener.java

@@ -33,8 +33,8 @@ import java.util.Random;
 
 public class MentionListener extends ListenerAdapter {
 
-    private Rethink rethink;
+    private final Rethink rethink;
-    private Config config;
+    private final Config config;
 
     public MentionListener(Rethink rethink, Config config) {
         this.rethink = rethink;

src/main/java/com/bbn/hadder/listener/OwnerMessageListener.java

@@ -22,9 +22,9 @@ public class OwnerMessageListener extends ListenerAdapter {
     @Override
     public void onMessageReceived(@Nonnull MessageReceivedEvent event) {
         if (config.getOwners().contains(event.getAuthor().getIdLong()) && event.getMessage().getContentRaw().startsWith(":") && event.getMessage().getContentRaw().endsWith(":")) {
-            String emotename = event.getMessage().getContentRaw().split(":")[1];
+            String emoteName = event.getMessage().getContentRaw().split(":")[1];
-            if (!emotename.contains(" ")) {
+            if (!emoteName.contains(" ")) {
-                Emote[] emotes = event.getJDA().getEmotesByName(emotename, true).toArray(new Emote[0]);
+                Emote[] emotes = event.getJDA().getEmotesByName(emoteName, true).toArray(new Emote[0]);
                 StringBuilder sb = new StringBuilder();
                 if (emotes.length != 0) {
                     for (Emote emote : emotes) {

src/main/java/com/bbn/hadder/listener/PrivateMessageListener.java

@@ -30,7 +30,7 @@ import java.time.Instant;
 
 public class PrivateMessageListener extends ListenerAdapter {
 
-    private Rethink rethink;
+    private final Rethink rethink;
 
     public PrivateMessageListener(Rethink rethink) {
         this.rethink = rethink;

src/main/java/com/bbn/hadder/listener/ReadyListener.java

@@ -28,8 +28,8 @@ import javax.annotation.Nonnull;
 
 public class ReadyListener extends ListenerAdapter {
 
-    private Rethink rethink;
+    private final Rethink rethink;
-    private Config config;
+    private final Config config;
 
     public ReadyListener(Rethink rethink, Config config) {
         this.rethink = rethink;

src/main/java/com/bbn/hadder/listener/RulesListener.java

@@ -24,7 +24,7 @@ import net.dv8tion.jda.api.hooks.ListenerAdapter;
 
 public class RulesListener extends ListenerAdapter {
 
-    private Rethink rethink;
+    private final Rethink rethink;
 
     public RulesListener(Rethink rethink) {
         this.rethink = rethink;

src/main/java/com/bbn/hadder/listener/StarboardListener.java

@@ -30,7 +30,7 @@ import javax.annotation.Nonnull;
 
 public class StarboardListener extends ListenerAdapter {
 
-    private Rethink rethink;
+    private final Rethink rethink;
 
     public StarboardListener(Rethink rethink) {
         this.rethink = rethink;

src/main/java/com/bbn/hadder/listener/VoiceLeaveListener.java

@@ -22,7 +22,7 @@ import net.dv8tion.jda.api.hooks.ListenerAdapter;
 
 public class VoiceLeaveListener extends ListenerAdapter {
 
-    private AudioManager audioManager;
+    private final AudioManager audioManager;
 
     public VoiceLeaveListener(AudioManager audioManager) {
         this.audioManager = audioManager;

src/main/java/com/bbn/hadder/utils/MessageEditor.java

@@ -27,8 +27,8 @@ import java.util.ResourceBundle;
 
 public class MessageEditor {
 
-    private RethinkUser rethinkUser;
+    private final RethinkUser rethinkUser;
-    private User user;
+    private final User user;
 
     public MessageEditor(RethinkUser rethinkUser, User user) {
         this.rethinkUser = rethinkUser;