From 932419af8f15da87daab14c794012d0f40b06e56 Mon Sep 17 00:00:00 2001
From: SteffenLm <33038091+SteffenLm@users.noreply.github.com>
Date: Wed, 14 Feb 2024 20:12:27 +0100
Subject: [PATCH 1/3] Implement Solution

---
 Exercise.java | 11 ++++++++---
 Vehicle.java  |  5 +++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/Exercise.java b/Exercise.java
index 4005742..f754cc1 100644
--- a/Exercise.java
+++ b/Exercise.java
@@ -1,12 +1,17 @@
 public class Exercise {
 
   public static void main(String[] args) {
+    System.out.println("Anzahl Fahrzeuge: " + Vehicle.getNumberOfVehicles());
 
     Vehicle vehicle = new Vehicle("Porsche", "911");
+    Vehicle vehicle1 = new Vehicle("Porsche", "911");
+    Vehicle vehicle2 = new Vehicle("MAN", "TGX");
+    Vehicle vehicle3 = new Vehicle("Opel", "Zafira Life");
 
     vehicle.accelerate(30);
-    vehicle.accelerate(30);
-    vehicle.brake(20);
-    vehicle.accelerate(40);
+    vehicle1.accelerate(30);
+    vehicle2.brake(20);
+    vehicle3.accelerate(40);
+    System.out.println("Anzahl Fahrzeuge: " + Vehicle.getNumberOfVehicles());
   }
 }
diff --git a/Vehicle.java b/Vehicle.java
index 0cf73c1..8df911b 100644
--- a/Vehicle.java
+++ b/Vehicle.java
@@ -3,6 +3,7 @@ public class Vehicle {
   private String make;
   private String model;
   private double speedInKmh;
+  private static int numberOfVehicles;
 
   public Vehicle(String make, String model) {
     this.make = make;
@@ -21,6 +22,10 @@ public double getSpeedInKmh() {
     return speedInKmh;
   }
 
+  public static int getNumberOfVehicles() {
+    return Vehicle.numberOfVehicles;
+  }
+
   public void accelerate(int valueInKmh) {
     speedInKmh += valueInKmh;
     System.out.println(toString() + " beschleunigt auf " + speedInKmh + "km/h");

From 0488f6b9523753d9248e747aba1c864fe962d725 Mon Sep 17 00:00:00 2001
From: SteffenLm <33038091+SteffenLm@users.noreply.github.com>
Date: Mon, 19 Feb 2024 14:08:13 +0100
Subject: [PATCH 2/3] add increment in solution

---
 Vehicle.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Vehicle.java b/Vehicle.java
index 8df911b..19b4112 100644
--- a/Vehicle.java
+++ b/Vehicle.java
@@ -8,6 +8,7 @@ public class Vehicle {
   public Vehicle(String make, String model) {
     this.make = make;
     this.model = model;
+    Vehicle.numberOfVehicles++;
   }
 
   public String getMake() {

From bbaf1e7ce8d6a6f203a8ada0b24331bebe8f5ef0 Mon Sep 17 00:00:00 2001
From: SteffenLm <33038091+SteffenLm@users.noreply.github.com>
Date: Wed, 21 Feb 2024 15:54:20 +0100
Subject: [PATCH 3/3] fix solution

---
 Exercise.java | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/Exercise.java b/Exercise.java
index f754cc1..7987eca 100644
--- a/Exercise.java
+++ b/Exercise.java
@@ -8,10 +8,6 @@ public static void main(String[] args) {
     Vehicle vehicle2 = new Vehicle("MAN", "TGX");
     Vehicle vehicle3 = new Vehicle("Opel", "Zafira Life");
 
-    vehicle.accelerate(30);
-    vehicle1.accelerate(30);
-    vehicle2.brake(20);
-    vehicle3.accelerate(40);
     System.out.println("Anzahl Fahrzeuge: " + Vehicle.getNumberOfVehicles());
   }
 }