Finished the Engine package

garage/src/Engine/ElectricEngine.java

 package Engine;
 
-public class ElectricEngine {
+public class ElectricEngine extends Engine {
+
+    public ElectricEngine(String _cylindre, Double _price) {
+
+        super(_cylindre, _price);
+        this.type = EngineType.ELECTRIC;
+    }
+
+    public String toString() {
+        return "Electric Engine";
+    }
+
 }
+

garage/src/Engine/Engine.java

@@ -3,13 +3,13 @@ package Engine;
 public class Engine {
 
     protected EngineType type;
-    private String cylindre;
-    private Double price;
+    protected String cylindre;
+    protected Double price;
 
     public Engine (String _cylindre, Double _price) {
 
         this.cylindre = _cylindre;
-        this.price = _price;
+        this.price = getPrice();
 
     }
 
@@ -22,7 +22,17 @@ public class Engine {
     }
 
     public Double getPrice() {
-
+        if (this.getClass() == DieselEngine.class) {
+            return 2000d;
+        } else if (this.getClass() == ElectricEngine.class) {
+            return 1800d;
+        } else if (this.getClass() == HybridEngine.class) {
+            return 3000d;
+        } else if (this.getClass() == PetrolEngine.class) {
+            return 1400d;
+        } else {
+                return 0d;
+        }
     }
 
 

garage/src/Engine/HybridEngine.java

 package Engine;
 
-public class HybridEngine {
+public class HybridEngine extends Engine {
+
+    public HybridEngine(String _cylindre, Double _price) {
+
+        super(_cylindre, _price);
+        this.type = EngineType.HYBRID;
+    }
+
+    public String toString() {
+        return "Hybrid Engine";
+    }
 }

garage/src/Engine/PetrolEngine.java

 package Engine;
 
-public class PetrolEngine {
+public class PetrolEngine extends Engine {
+
+    public PetrolEngine(String _cylindre, Double _price) {
+
+        super(_cylindre, _price);
+        this.type = EngineType.PETROL;
+    }
+
+    public String toString() {
+        return "Petrol Engine";
+    }
 }