renamed SelfDrivingCar to Vehicle, main will be moved to external driving application

Vehicle.java

@@ -1,8 +1,6 @@
-public class SelfDrivingCar {
+public class Vehicle {
     private int speed;
     private double fuelLevel;
-    public static void main(String[] args) {
-    }
 
     public void navigateRoute() {
 
@@ -16,7 +14,7 @@ public class SelfDrivingCar {
         return speed;
     }
 
-    public int getFuelLevel() {
+    public double getFuelLevel() {
         return fuelLevel;
     }
 
@@ -28,4 +26,9 @@ public class SelfDrivingCar {
     public void changeDirection() {
 
     }
+
+    public void applyBrakes() {
+
+    }
+
 }