From 4eda61b1c2e8871d577cb5a69ba4ef71285ab186 Mon Sep 17 00:00:00 2001
From: SteffenLm <33038091+SteffenLm@users.noreply.github.com>
Date: Thu, 27 Oct 2022 14:26:27 +0200
Subject: [PATCH 1/4] implement solution

---
 Rental.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Rental.java b/Rental.java
index c30320c..efa0100 100644
--- a/Rental.java
+++ b/Rental.java
@@ -20,6 +20,15 @@ public void addAllVehicles(Vehicle... vehicles) {
     }
   }
 
+  public void transformAllTrucks() {
+    for (Vehicle c : vehicles) {
+      if (c instanceof Truck) {
+        Truck t = (Truck) c;
+        t.transform();
+      }
+    }
+  }
+
   public void print() {
     System.out.println(name);
     System.out.println("Unsere Fahrzeuge: ");

From 6542287e5aec0013556d19eebd62dc942048512f Mon Sep 17 00:00:00 2001
From: SteffenLm <33038091+SteffenLm@users.noreply.github.com>
Date: Fri, 23 Feb 2024 16:21:35 +0100
Subject: [PATCH 2/4] fix solution

---
 Exercise.java | 2 ++
 Rental.java   | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Exercise.java b/Exercise.java
index 2d4d392..e2cdec7 100644
--- a/Exercise.java
+++ b/Exercise.java
@@ -21,6 +21,8 @@ public static void main(String[] args) {
     rental.addVehicle(truck1);
     rental.addVehicle(car2);
 
+    rental.transformAllTrucks();
+
     System.out.println(rental.toString());
   }
 }
diff --git a/Rental.java b/Rental.java
index 96033af..20197ff 100644
--- a/Rental.java
+++ b/Rental.java
@@ -32,7 +32,8 @@ public void transformAllTrucks() {
     for (Vehicle c : vehicles) {
       if (c instanceof Truck) {
         Truck t = (Truck) c;
-        t.transform();
+        if (!t.isTransformed())
+          t.transform();
       }
     }
   }

From a697fe504ad9a80440b3aa17e7a341354d95d74c Mon Sep 17 00:00:00 2001
From: github-actions <>
Date: Fri, 23 Feb 2024 15:21:55 +0000
Subject: [PATCH 3/4] Google Java Format

---
 Rental.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Rental.java b/Rental.java
index 20197ff..37194a5 100644
--- a/Rental.java
+++ b/Rental.java
@@ -32,8 +32,7 @@ public void transformAllTrucks() {
     for (Vehicle c : vehicles) {
       if (c instanceof Truck) {
         Truck t = (Truck) c;
-        if (!t.isTransformed())
-          t.transform();
+        if (!t.isTransformed()) t.transform();
       }
     }
   }

From 60d9d814c51000f54c113abefea889a38d1dac29 Mon Sep 17 00:00:00 2001
From: SteffenLm <33038091+SteffenLm@users.noreply.github.com>
Date: Fri, 19 Dec 2025 20:58:18 +0000
Subject: [PATCH 4/4] add dev container

---
 .devcontainer.json      | 3 +++
 .vscode/extensions.json | 5 +++++
 2 files changed, 8 insertions(+)
 create mode 100644 .devcontainer.json
 create mode 100644 .vscode/extensions.json

diff --git a/.devcontainer.json b/.devcontainer.json
new file mode 100644
index 0000000..bfbeb0d
--- /dev/null
+++ b/.devcontainer.json
@@ -0,0 +1,3 @@
+{
+    "image": "mcr.microsoft.com/devcontainers/java:21"
+}
\ No newline at end of file
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..add4f4e
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "vscjava.vscode-java-pack"
+    ]
+}
\ No newline at end of file