added changeDirection routines, reorganized class file

Vehicle.java

@@ -1,34 +1,41 @@
 public class Vehicle {
-    private int speed;
+    private int currentSpeed;
+    private int targetSpeed;
     private double fuelLevel;
+    private int routeProgress;
+    Route currentRoute;
 
-    public void navigateRoute() {
-
-    }
-
-    public void setSpeed(int newSpeed) {
-        speed = newSpeed;
-    }
-
-    public int getSpeed() {
-        return speed;
-    }
-
-    public double getFuelLevel() {
-        return fuelLevel;
-    }
-
+    public void setTargetSpeed(int newSpeed) {targetSpeed = newSpeed;}
+    public int getCurrentSpeed() {return currentSpeed;}
+    public double getFuelLevel() {return fuelLevel;}
     public void updateFuelLevel() {
         //would check fuel sensor and update accordingly
         fuelLevel = 0.75;
     }
 
-    public void changeDirection() {
+    public void navigateRoute() {
+        for (String[] el : currentRoute.getSelectedRouteSteps()) {
+            System.out.println("Start navigation");
 
+        }
+    }
+
+    public void changeDirection(String direction) {
+        switch (direction) {
+            case "LEFT":
+                System.out.println("Turning left...");
+                break;
+            case "RIGHT":
+                System.out.println("Turning right...");
+                break;
+            case "STRAIGHT":
+                System.out.println("Continuing straight...");
+                break;
+        }
     }
 
     public void applyBrakes() {
-
+        currentSpeed = currentSpeed - 5;
     }
 
 }