diff --git a/src/main/java/org/vindicterra/vindicterralib/commandcreator/ChildCommand.java b/src/main/java/org/vindicterra/vindicterralib/commandcreator/ChildCommand.java
index 94e6430..f80a67e 100644
--- a/src/main/java/org/vindicterra/vindicterralib/commandcreator/ChildCommand.java
+++ b/src/main/java/org/vindicterra/vindicterralib/commandcreator/ChildCommand.java
@@ -28,6 +28,7 @@
  * @see CommandData Uses an annotation to define the command
  */
 @Getter
+@SuppressWarnings("unused")
 public abstract class ChildCommand {
     private final Plugin plugin;
     private final CommandData data;
diff --git a/src/main/java/org/vindicterra/vindicterralib/commandcreator/ParentCommand.java b/src/main/java/org/vindicterra/vindicterralib/commandcreator/ParentCommand.java
index dddd807..82d6ae4 100644
--- a/src/main/java/org/vindicterra/vindicterralib/commandcreator/ParentCommand.java
+++ b/src/main/java/org/vindicterra/vindicterralib/commandcreator/ParentCommand.java
@@ -14,6 +14,7 @@
 import org.bukkit.command.TabExecutor;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.java.JavaPlugin;
+import org.jetbrains.annotations.NotNull;
 
 import java.lang.reflect.Constructor;
 import java.util.ArrayList;
@@ -36,7 +37,7 @@
  *     usage = "{@literal <param1>} {@literal <param2|param3>} [optional param]",<br>
  *     requiredArgs = 2)
  */
-@SuppressWarnings("unused")
+@SuppressWarnings({"unused", "deprecation"})
 @Getter
 public abstract class ParentCommand extends Command implements TabExecutor {
 
@@ -66,7 +67,7 @@ public ParentCommand(JavaPlugin plugin, CommandData command) {
      * @return true if the command was executed successfully
      */
     @Override
-    public boolean execute(CommandSender sender, String label, String[] args) {
+    public boolean execute(@NotNull CommandSender sender, @NotNull String label, String[] args) {
         if(!enabled && !sender.isOp()) {
             sender.sendMessage("§cThis command is currently disabled.");
             return true;
@@ -104,7 +105,7 @@ public boolean execute(CommandSender sender, String label, String[] args) {
                         return true;
                     }
 
-                    page = Integer.valueOf(args[1]);
+                    page = Integer.parseInt(args[1]);
                 }
 
                 sendUsage(sender, label, page);
@@ -113,7 +114,6 @@ public boolean execute(CommandSender sender, String label, String[] args) {
         }
 
         run(sender, label, args);
-        //VindicterraFactions.getInstance().getFactionHandler().save(true);
         return true;
     }
 
diff --git a/src/main/java/org/vindicterra/vindicterralib/entities/players/ExperienceManager.java b/src/main/java/org/vindicterra/vindicterralib/entities/players/ExperienceManager.java
index 89add7f..d162b49 100644
--- a/src/main/java/org/vindicterra/vindicterralib/entities/players/ExperienceManager.java
+++ b/src/main/java/org/vindicterra/vindicterralib/entities/players/ExperienceManager.java
@@ -14,32 +14,32 @@
 @SuppressWarnings("unused")
 public class ExperienceManager {
 
-    private Player player;
+    private final Player player;
 
     public ExperienceManager(Player player) {
         this.player = player;
     }
 
     public int getTotalExperience() {
-        int experience = 0;
+        int experience;
         int level = player.getLevel();
         if(level >= 0 && level <= 15) {
             experience = (int) Math.ceil(Math.pow(level, 2) + (6 * level));
             int requiredExperience = 2 * level + 7;
             double currentExp = Double.parseDouble(Float.toString(player.getExp()));
-            experience += Math.ceil(currentExp * requiredExperience);
+            experience += (int) Math.ceil(currentExp * requiredExperience);
             return experience;
         } else if(level > 15 && level <= 30) {
             experience = (int) Math.ceil((2.5 * Math.pow(level, 2) - (40.5 * level) + 360));
             int requiredExperience = 5 * level - 38;
             double currentExp = Double.parseDouble(Float.toString(player.getExp()));
-            experience += Math.ceil(currentExp * requiredExperience);
+            experience += (int) Math.ceil(currentExp * requiredExperience);
             return experience;
         } else {
             experience = (int) Math.ceil(((4.5 * Math.pow(level, 2) - (162.5 * level) + 2220)));
             int requiredExperience = 9 * level - 158;
             double currentExp = Double.parseDouble(Float.toString(player.getExp()));
-            experience += Math.ceil(currentExp * requiredExperience);
+            experience += (int) Math.ceil(currentExp * requiredExperience);
             return experience;
         }
     }
@@ -91,7 +91,7 @@ public void setTotalExperience(int xp) {
             player.setExp(experience);
         }
     }
-
+    @SuppressWarnings("SameParameterValue")
     private float round(float d, int decimalPlace) {
         BigDecimal bd = new BigDecimal(Float.toString(d));
         bd = bd.setScale(decimalPlace, RoundingMode.HALF_DOWN);