From 540435fa6b528520a870800f6a5911722f198f77 Mon Sep 17 00:00:00 2001
From: Volodymyr <vtsapchuk2017@gmail.com>
Date: Mon, 3 Nov 2025 22:47:44 +0200
Subject: [PATCH 1/5] added class and methods

---
 src/main/java/core/basesyntax/Bulldozer.java | 4 ++++
 src/main/java/core/basesyntax/Excavator.java | 4 ++++
 src/main/java/core/basesyntax/Machine.java   | 8 ++++++++
 src/main/java/core/basesyntax/Truck.java     | 4 ++++
 4 files changed, 20 insertions(+)
 create mode 100644 src/main/java/core/basesyntax/Bulldozer.java
 create mode 100644 src/main/java/core/basesyntax/Excavator.java
 create mode 100644 src/main/java/core/basesyntax/Machine.java
 create mode 100644 src/main/java/core/basesyntax/Truck.java

diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
new file mode 100644
index 000000000..e5e0123a2
--- /dev/null
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -0,0 +1,4 @@
+package core.basesyntax;
+
+public abstract class Bulldozer extends Machine {
+}
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
new file mode 100644
index 000000000..a3f0b4bba
--- /dev/null
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -0,0 +1,4 @@
+package core.basesyntax;
+
+public abstract class Excavator extends Machine{
+}
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
new file mode 100644
index 000000000..4aea2f871
--- /dev/null
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -0,0 +1,8 @@
+package core.basesyntax;
+
+public abstract class Machine {
+
+    public abstract void doWork();
+
+    public abstract void stopWork();
+}
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
new file mode 100644
index 000000000..20b661a5d
--- /dev/null
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -0,0 +1,4 @@
+package core.basesyntax;
+
+public abstract class Truck extends Machine {
+}

From af7823fbca36482e4cb4feee3588f4a83a1a8e3d Mon Sep 17 00:00:00 2001
From: Volodymyr <vtsapchuk2017@gmail.com>
Date: Mon, 3 Nov 2025 22:59:02 +0200
Subject: [PATCH 2/5] added methods in classes

---
 src/main/java/core/basesyntax/Bulldozer.java | 9 +++++++++
 src/main/java/core/basesyntax/Excavator.java | 9 +++++++++
 src/main/java/core/basesyntax/Truck.java     | 9 +++++++++
 3 files changed, 27 insertions(+)

diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index e5e0123a2..fa27587a8 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,4 +1,13 @@
 package core.basesyntax;
 
 public abstract class Bulldozer extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("Bulldozer started its work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Bulldozer stopped working");
+    }
 }
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
index a3f0b4bba..0a1e5a7ea 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,4 +1,13 @@
 package core.basesyntax;
 
 public abstract class Excavator extends Machine{
+    @Override
+    public void doWork() {
+        System.out.println("Excavator started its work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Excavator stopped working");
+    }
 }
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index 20b661a5d..3eee23131 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,4 +1,13 @@
 package core.basesyntax;
 
 public abstract class Truck extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("Truck started its work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Truck stopped working");
+    }
 }

From 55ef7f027bf1dc9a9595bbc13f8d292c8286a7ab Mon Sep 17 00:00:00 2001
From: Volodymyr <vtsapchuk2017@gmail.com>
Date: Mon, 3 Nov 2025 23:02:32 +0200
Subject: [PATCH 3/5] added array

---
 src/main/java/core/basesyntax/MainApp.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index f99e9a019..3e5487b31 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -2,4 +2,6 @@
 
 public class MainApp {
 
+    String[] Machine = {"Truck", "Excavator", "Bulldozer"};
+
 }

From b80ac61d6b3fb603868f1794b4baefafe10cde09 Mon Sep 17 00:00:00 2001
From: Volodymyr <vtsapchuk2017@gmail.com>
Date: Wed, 5 Nov 2025 23:53:20 +0200
Subject: [PATCH 4/5] added arrays and cycle

---
 src/main/java/core/basesyntax/Bulldozer.java | 2 +-
 src/main/java/core/basesyntax/Excavator.java | 2 +-
 src/main/java/core/basesyntax/MainApp.java   | 8 +++++++-
 src/main/java/core/basesyntax/Truck.java     | 2 +-
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index fa27587a8..51c943063 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public abstract class Bulldozer extends Machine {
+public  class Bulldozer extends Machine {
     @Override
     public void doWork() {
         System.out.println("Bulldozer started its work");
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
index 0a1e5a7ea..412ab9bf0 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public abstract class Excavator extends Machine{
+public  class Excavator extends Machine{
     @Override
     public void doWork() {
         System.out.println("Excavator started its work");
diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index 3e5487b31..87112e0f0 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,7 +1,13 @@
 package core.basesyntax;
 
 public class MainApp {
+    public static void main(String[] args) {
 
-    String[] Machine = {"Truck", "Excavator", "Bulldozer"};
+        Machine[] machines = {new Truck(), new Bulldozer(), new Excavator()};
 
+        for(Machine machine : machines) {
+            machine.doWork();
+            machine.stopWork();
+        }
+    }
 }
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index 3eee23131..9ef24dc3d 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public abstract class Truck extends Machine {
+public  class Truck extends Machine {
     @Override
     public void doWork() {
         System.out.println("Truck started its work");

From 87164e465c3f9d6ccc641694a779d9630c7997a0 Mon Sep 17 00:00:00 2001
From: Volodymyr <vtsapchuk2017@gmail.com>
Date: Thu, 6 Nov 2025 00:09:56 +0200
Subject: [PATCH 5/5] Fix Checkstyle formatting issues

---
 src/main/java/core/basesyntax/Bulldozer.java | 2 +-
 src/main/java/core/basesyntax/Excavator.java | 2 +-
 src/main/java/core/basesyntax/MainApp.java   | 2 +-
 src/main/java/core/basesyntax/Truck.java     | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index 51c943063..3e574427d 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public  class Bulldozer extends Machine {
+public class Bulldozer extends Machine {
     @Override
     public void doWork() {
         System.out.println("Bulldozer started its work");
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
index 412ab9bf0..99d036aa1 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public  class Excavator extends Machine{
+public class Excavator extends Machine {
     @Override
     public void doWork() {
         System.out.println("Excavator started its work");
diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index 87112e0f0..7b731ec81 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -5,7 +5,7 @@ public static void main(String[] args) {
 
         Machine[] machines = {new Truck(), new Bulldozer(), new Excavator()};
 
-        for(Machine machine : machines) {
+        for (Machine machine : machines) {
             machine.doWork();
             machine.stopWork();
         }
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index 9ef24dc3d..055ecf57e 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public  class Truck extends Machine {
+public class Truck extends Machine {
     @Override
     public void doWork() {
         System.out.println("Truck started its work");