diff --git a/src/main/java/rlbotexample/JavaExample.java b/src/main/java/rlbotexample/JavaExample.java
index c188933..d3d7230 100644
--- a/src/main/java/rlbotexample/JavaExample.java
+++ b/src/main/java/rlbotexample/JavaExample.java
@@ -18,12 +18,12 @@
  */
 public class JavaExample {
 
-    private static final Integer DEFAULT_PORT = 17357;
+    private static final int DEFAULT_PORT = 17357;
 
     public static void main(String[] args) {
 
         BotManager botManager = new BotManager();
-        Integer port = PortReader.readPortFromArgs(args).orElseGet(() -> {
+        int port = PortReader.readPortFromArgs(args).orElseGet(() -> {
             System.out.println("Could not read port from args, using default!");
             return DEFAULT_PORT;
         });
@@ -31,6 +31,10 @@ public static void main(String[] args) {
         SamplePythonInterface pythonInterface = new SamplePythonInterface(port, botManager);
         new Thread(pythonInterface::start).start();
 
+        displayWindow(botManager, port);
+    }
+    
+    private static void displayWindow(BotManager botManager, int port) {
         JFrame frame = new JFrame("Java Bot");
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
diff --git a/src/main/java/rlbotexample/SampleBot.java b/src/main/java/rlbotexample/SampleBot.java
index 80c5e3d..0a82f17 100644
--- a/src/main/java/rlbotexample/SampleBot.java
+++ b/src/main/java/rlbotexample/SampleBot.java
@@ -121,6 +121,7 @@ public ControllerState processInput(GameTickPacket packet) {
         return controlsOutput;
     }
 
+    @Override
     public void retire() {
         System.out.println("Retiring sample bot " + playerIndex);
     }
diff --git a/src/main/java/rlbotexample/SamplePythonInterface.java b/src/main/java/rlbotexample/SamplePythonInterface.java
index 829aa93..aa679bc 100644
--- a/src/main/java/rlbotexample/SamplePythonInterface.java
+++ b/src/main/java/rlbotexample/SamplePythonInterface.java
@@ -10,6 +10,7 @@ public SamplePythonInterface(int port, BotManager botManager) {
         super(port, botManager);
     }
 
+    @Override
     protected Bot initBot(int index, String botType, int team) {
         return new SampleBot(index);
     }
diff --git a/src/main/java/rlbotexample/boost/BoostManager.java b/src/main/java/rlbotexample/boost/BoostManager.java
index a9fa1bf..b93d7a6 100644
--- a/src/main/java/rlbotexample/boost/BoostManager.java
+++ b/src/main/java/rlbotexample/boost/BoostManager.java
@@ -8,6 +8,7 @@
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Information about where boost pads are located on the field and what status they have.
@@ -17,15 +18,15 @@
  */
 public class BoostManager {
 
-    private static final ArrayList<BoostPad> orderedBoosts = new ArrayList<>();
-    private static final ArrayList<BoostPad> fullBoosts = new ArrayList<>();
-    private static final ArrayList<BoostPad> smallBoosts = new ArrayList<>();
+    private static final List<BoostPad> orderedBoosts = new ArrayList<>();
+    private static final List<BoostPad> fullBoosts = new ArrayList<>();
+    private static final List<BoostPad> smallBoosts = new ArrayList<>();
 
-    public static ArrayList<BoostPad> getFullBoosts() {
+    public static List<BoostPad> getFullBoosts() {
         return fullBoosts;
     }
 
-    public static ArrayList<BoostPad> getSmallBoosts() {
+    public static List<BoostPad> getSmallBoosts() {
         return smallBoosts;
     }
 
diff --git a/src/main/java/rlbotexample/output/ControlsOutput.java b/src/main/java/rlbotexample/output/ControlsOutput.java
index ace5d65..9cdbd2b 100644
--- a/src/main/java/rlbotexample/output/ControlsOutput.java
+++ b/src/main/java/rlbotexample/output/ControlsOutput.java
@@ -146,4 +146,4 @@ public boolean holdHandbrake() {
     public boolean holdUseItem() {
         return useItemDepressed;
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/rlbotexample/vector/Vector2.java b/src/main/java/rlbotexample/vector/Vector2.java
index 2197505..dad1633 100644
--- a/src/main/java/rlbotexample/vector/Vector2.java
+++ b/src/main/java/rlbotexample/vector/Vector2.java
@@ -98,4 +98,9 @@ public double correctionAngle(Vector2 ideal) {
     public static double angle(Vector2 a, Vector2 b) {
         return Math.abs(a.correctionAngle(b));
     }
+
+    @Override
+    public String toString() {
+        return String.format("(%s, %s)", x, y);
+    }
 }
diff --git a/src/main/java/rlbotexample/vector/Vector3.java b/src/main/java/rlbotexample/vector/Vector3.java
index b359c52..506ab21 100644
--- a/src/main/java/rlbotexample/vector/Vector3.java
+++ b/src/main/java/rlbotexample/vector/Vector3.java
@@ -99,4 +99,9 @@ public Vector3 crossProduct(Vector3 v) {
         double tz = x * v.y - y * v.x;
         return new Vector3(tx, ty, tz);
     }
+
+    @Override
+    public String toString() {
+        return String.format("(%s, %s, %s)", x, y, z);
+    }
 }