src/main/java/Job/Job.java

@@ -1,11 +1,12 @@
 package Job;
 
-import Action.Actor;
+import Shared.HasExperience;
 
 import java.util.Objects;
 
-public abstract class Job {
+public abstract class Job implements HasExperience {
     protected int level;
+    protected int experience;
     protected String name;
 
     Job(String name) {
@@ -13,7 +14,7 @@ public abstract class Job {
         this.level = 1;
     }
 
-    public double getLevel() {
+    public int getLevel() {
         return level;
     }
 

src/main/java/Job/Miner.java

@@ -3,16 +3,25 @@ package Job;
 import Action.Actor;
 import Inventory.HasInventory;
 
+
 public class Miner extends Job {
-      public Miner() {
-          super("Miner");
-      }
+    public Miner() {
+        super("Miner");
+    }
 
+    public void dig(Actor actor) {
+        if (actor instanceof HasInventory a) {
+            a.getInventory().add("Stone");
+        }
+    }
 
-      public void dig(Actor actor) {
-         if(actor instanceof HasInventory a) {
-             a.getInventory().add("Stone");
-         }
-      }
+    @Override
+    public int getExperience() {
+        return experience;
+    }
 
+    @Override
+    public void gainExperience(int exp) {
+        experience += exp;
+    }
 }

src/main/java/Shared/HasExperience.java

@@ -0,0 +1,11 @@
+package Shared;
+
+public interface HasExperience {
+    int getLevel();
+
+    int getExperience();
+
+    void gainExperience(int exp);
+
+    void levelUp();
+}

src/test/java/MinerTest.java

@@ -1,21 +1,9 @@
-import Entity.Player;
 import Job.Miner;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import Action.DigAction;
 
 public class MinerTest {
-    @Test
-    void miner_can_dig() {
-        var p = new Player("John");
-        var job = new Miner();
-        p.learnJob(job);
-        p.performAction(new DigAction());
-        assertTrue(p.getInventory().contains("Stone"));
-    }
 
     @Test
     void miner_can_level_up() {
@@ -25,6 +13,13 @@ public class MinerTest {
         assertEquals(2, job.getLevel());
     }
 
+    @Test
+    void miner_can_gain_xp() {
+        var job = new Miner();
+        job.gainExperience(25);
+        assertEquals(25, job.getExperience());
+    }
+
 }
 
 

src/test/java/PlayerTest.java

@@ -1,3 +1,4 @@
+import Action.DigAction;
 import Entity.Position;
 import Job.Miner;
 import Entity.Player;
@@ -33,4 +34,13 @@ class PlayerTest {
         p.learnJob(job);
         assertEquals(new Miner(), p.getJob());
     }
+
+    @Test
+    void miner_can_dig() {
+        var p = new Player("John");
+        var job = new Miner();
+        p.learnJob(job);
+        p.performAction(new DigAction());
+        assertTrue(p.getInventory().contains("Stone"));
+    }
 }