update

src/main/java/BattleShip/Ship.java

@@ -23,4 +23,13 @@ public class Ship {
     public boolean isKilled() {
         return kill;
     }
+
+    public boolean counter() {
+        //Count hits until number of hits equals ship length, then mark as killed.
+        numOfHits++;
+        if(numOfHits == length) {
+            kill = true;
+        }
+        return kill;
+    }
 }