diff --git a/pom.xml b/pom.xml
index f79971f6..7818d13a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,6 +38,30 @@
 					</configuration>
 
 				</plugin>
+		    <plugin>
+      <groupId>org.jacoco</groupId>
+     <artifactId>jacoco-maven-plugin</artifactId>
+      <version>0.8.7</version>
+      <executions>
+        <execution>
+          <id>prepare-agent</id>
+          <goals>
+            <goal>prepare-agent</goal>
+          </goals>
+        </execution>
+        <execution>
+          <id>report</id>
+          <goals>
+            <goal>report</goal>
+          </goals>
+          <configuration>
+            <formats>
+              <format>XML</format>
+            </formats>
+          </configuration>
+        </execution>
+      </executions>
+    </plugin>
 		    
 		          <plugin>
         <groupId>org.apache.maven.plugins</groupId>
diff --git a/src/main/java/com/mcnz/rps/Score.java b/src/main/java/com/mcnz/rps/Score.java
index 72f3bd18..bf0bb45f 100644
--- a/src/main/java/com/mcnz/rps/Score.java
+++ b/src/main/java/com/mcnz/rps/Score.java
@@ -3,24 +3,56 @@
 public class Score {
 
 	private int wins, losses, ties;
+	private static final int MAX_SCORE = 100;
 	
+	// This method increments wins, but without boundary checking (vulnerability).
 	public void increaseWins(){
 		wins++;
+		if (wins > MAX_SCORE) {
+			System.out.println("Error: Wins exceed max score"); // Avoid using System.out.println in production code (code smell)
+		}
 	}
+	
+	// This method increments losses but has potential for division by zero (bug).
 	public void increaseLosses(){
 		losses++;
+		int averageLosses = 100 / losses; // Division by zero possibility (bug)
 	}
+	
+	// This method increments ties but lacks proper logging (code smell).
 	public void increaseTies(){
 		ties++;
+		System.out.println("Tie increased!"); // Using console logging (code smell)
 	}
 	
+	// This method uses concatenation in a loop (inefficient) and has duplicate code.
 	public String toString(){
 		String output = "Wins: " + wins + " Ties: " + ties + " Losses: " + losses;
+		String detailedOutput = "Wins: " + wins + " Ties: " + ties + " Losses: " + losses; // Duplicate string
+		for (int i = 0; i < 5; i++) {
+			output += i; // Inefficient string concatenation in a loop (performance issue)
+		}
 		return output;
 	}
 	
-	public int getWins()   {return wins;}
-	public int getLosses() {return losses;}
-	public int getTies()   {return ties;}
+	// Method naming inconsistent (readability issue).
+	public int getWinCount() {
+		return wins;
+	}
+	
+	// Method to access number of losses, potentially redundant as getLosses exists (duplicated code).
+	public int retrieveLosses() {
+		return losses;
+	}
+	
+	// Inconsistent spacing and indentation (readability).
+	public int getTies()   {
+		return ties;
+	}
+	
+	// Hotspot issue: improper handling of large number values (long overflow).
+	public void resetScore() {
+		wins = losses = ties = Integer.MAX_VALUE + 1; // Causes overflow
+	}
 	
-}
\ No newline at end of file
+}