Complete the class Vehicle

src/main/java/org/model/Vehicle.java

@@ -20,13 +20,27 @@ public abstract class Vehicle {
         this.mileage = mileage;
     }
 
-    // TODO: Create getters for all fields
+    public String getBrand() { return brand; }
+
+    public String getModel() { return model; }
+
+    public int getYear() { return year; }
+
+    public double getMileage() { return mileage; }
+
 
     // TODO: Implement addMileage(double km)
     // If km is negative → print error
     // Otherwise increase mileage
 
+    public void addMileage(double km)
+    {
+        if (km < 0) System.out.println("Error !");
+        else this.mileage += km;
+    }
+
     // TODO: Declare abstract method getEnergyType()
+    public abstract String getEnergyType();
 
     public void basicInfo() {
         System.out.println(