From 0fdfab07e8e12dde787ae4c448d019bbd26c86c5 Mon Sep 17 00:00:00 2001
From: Oleksandr Hordienko <code57231@gmail.com>
Date: Mon, 8 Sep 2025 19:39:03 +0300
Subject: [PATCH 1/4] create new class and method to output

---
 src/main/java/core/basesyntax/Bulldozer.java | 12 ++++++++++++
 src/main/java/core/basesyntax/Excavator.java | 12 ++++++++++++
 src/main/java/core/basesyntax/Machine.java   |  7 +++++++
 src/main/java/core/basesyntax/MainApp.java   |  9 ++++++++-
 src/main/java/core/basesyntax/Truck.java     | 12 ++++++++++++
 5 files changed, 51 insertions(+), 1 deletion(-)
 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..e58a75131
--- /dev/null
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -0,0 +1,12 @@
+package core.basesyntax;
+
+public class Bulldozer extends Machine {
+
+    public void doWork() {
+        System.out.println("Bulldozer started its work");
+    }
+
+    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
new file mode 100644
index 000000000..ad72ba5f1
--- /dev/null
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -0,0 +1,12 @@
+package core.basesyntax;
+
+public class Excavator extends Machine {
+
+    public void doWork() {
+        System.out.println("Excavator started its work");
+    }
+
+    public void stopWork() {
+        System.out.println("Excavator stopped working");
+    }
+}
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
new file mode 100644
index 000000000..4219699a5
--- /dev/null
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -0,0 +1,7 @@
+package core.basesyntax;
+
+public abstract class Machine {
+    public abstract void doWork();
+
+    public abstract void stopWork();
+}
diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index f99e9a019..3feb68454 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,5 +1,12 @@
 package core.basesyntax;
 
 public class MainApp {
-
+    public static void main(String[] args) {
+        // All executable code goes inside this method
+        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
new file mode 100644
index 000000000..72f6e05c3
--- /dev/null
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -0,0 +1,12 @@
+package core.basesyntax;
+
+public class Truck extends Machine {
+
+    public void doWork() {
+        System.out.println("Truck started its work");
+    }
+
+    public void stopWork() {
+        System.out.println("Truck stopped working");
+    }
+}

From 8f9824f62937a837e26748471b4eef53d2dc84bb Mon Sep 17 00:00:00 2001
From: Oleksandr Hordienko <code57231@gmail.com>
Date: Mon, 8 Sep 2025 20:16:07 +0300
Subject: [PATCH 2/4] fix the problem

---
 src/main/java/core/basesyntax/Bulldozer.java | 7 +++----
 src/main/java/core/basesyntax/Excavator.java | 7 +++----
 src/main/java/core/basesyntax/Machine.java   | 2 --
 src/main/java/core/basesyntax/MainApp.java   | 1 -
 src/main/java/core/basesyntax/Truck.java     | 7 +++----
 5 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index e58a75131..b7389cf89 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,11 +1,10 @@
 package core.basesyntax;
-
 public class Bulldozer extends Machine {
-
+    @Override
     public void doWork() {
-        System.out.println("Bulldozer started its work");
+        System.out.println("Bulldozer started working");
     }
-
+    @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 ad72ba5f1..f5db05102 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,11 +1,10 @@
 package core.basesyntax;
-
 public class Excavator extends Machine {
-
+    @Override
     public void doWork() {
-        System.out.println("Excavator started its work");
+        System.out.println("Excavator started working");
     }
-
+    @Override
     public void stopWork() {
         System.out.println("Excavator stopped working");
     }
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
index 4219699a5..70849b4f7 100644
--- a/src/main/java/core/basesyntax/Machine.java
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -1,7 +1,5 @@
 package core.basesyntax;
-
 public abstract class Machine {
     public abstract void doWork();
-
     public abstract void stopWork();
 }
diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index 3feb68454..3f83cd876 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,5 +1,4 @@
 package core.basesyntax;
-
 public class MainApp {
     public static void main(String[] args) {
         // All executable code goes inside this method
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index 72f6e05c3..ad9ba1395 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,11 +1,10 @@
 package core.basesyntax;
-
 public class Truck extends Machine {
-
+    @Override
     public void doWork() {
-        System.out.println("Truck started its work");
+        System.out.println("Truck started working");
     }
-
+    @Override
     public void stopWork() {
         System.out.println("Truck stopped working");
     }

From 5f848c3b5cc0924f66f15062684e26cafe4cb196 Mon Sep 17 00:00:00 2001
From: Oleksandr Hordienko <code57231@gmail.com>
Date: Mon, 8 Sep 2025 20:29:38 +0300
Subject: [PATCH 3/4] fix the problem

---
 src/main/java/core/basesyntax/Bulldozer.java | 2 ++
 src/main/java/core/basesyntax/Excavator.java | 2 ++
 src/main/java/core/basesyntax/Machine.java   | 2 ++
 src/main/java/core/basesyntax/MainApp.java   | 1 +
 src/main/java/core/basesyntax/Truck.java     | 2 ++
 5 files changed, 9 insertions(+)

diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index b7389cf89..124a533e5 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,9 +1,11 @@
 package core.basesyntax;
+
 public class Bulldozer extends Machine {
     @Override
     public void doWork() {
         System.out.println("Bulldozer started working");
     }
+
     @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 f5db05102..418773a88 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,9 +1,11 @@
 package core.basesyntax;
+
 public class Excavator extends Machine {
     @Override
     public void doWork() {
         System.out.println("Excavator started working");
     }
+
     @Override
     public void stopWork() {
         System.out.println("Excavator stopped working");
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
index 70849b4f7..4219699a5 100644
--- a/src/main/java/core/basesyntax/Machine.java
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -1,5 +1,7 @@
 package core.basesyntax;
+
 public abstract class Machine {
     public abstract void doWork();
+
     public abstract void stopWork();
 }
diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index 3f83cd876..3feb68454 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,4 +1,5 @@
 package core.basesyntax;
+
 public class MainApp {
     public static void main(String[] args) {
         // All executable code goes inside this method
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index ad9ba1395..35b6038f3 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,9 +1,11 @@
 package core.basesyntax;
+
 public class Truck extends Machine {
     @Override
     public void doWork() {
         System.out.println("Truck started working");
     }
+
     @Override
     public void stopWork() {
         System.out.println("Truck stopped working");

From 5d93987b6833912af5c9f667bb6d728c484a8c37 Mon Sep 17 00:00:00 2001
From: Oleksandr Hordienko <code57231@gmail.com>
Date: Mon, 8 Sep 2025 22:08:22 +0300
Subject: [PATCH 4/4] fix the problem

---
 src/main/java/core/basesyntax/Bulldozer.java | 4 +---
 src/main/java/core/basesyntax/Excavator.java | 4 +---
 src/main/java/core/basesyntax/Machine.java   | 4 +---
 src/main/java/core/basesyntax/MainApp.java   | 3 +--
 src/main/java/core/basesyntax/Truck.java     | 4 +---
 5 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index 124a533e5..0645ff181 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,13 +1,11 @@
 package core.basesyntax;
-
 public class Bulldozer extends Machine {
     @Override
     public void doWork() {
         System.out.println("Bulldozer started working");
     }
-
     @Override
     public void stopWork() {
         System.out.println("Bulldozer stopped working");
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
index 418773a88..5e730d43b 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,13 +1,11 @@
 package core.basesyntax;
-
 public class Excavator extends Machine {
     @Override
     public void doWork() {
         System.out.println("Excavator started working");
     }
-
     @Override
     public void stopWork() {
         System.out.println("Excavator stopped working");
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
index 4219699a5..28996c07a 100644
--- a/src/main/java/core/basesyntax/Machine.java
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -1,7 +1,5 @@
 package core.basesyntax;
-
 public abstract class Machine {
     public abstract void doWork();
-
     public abstract void stopWork();
-}
+}
\ No newline at end of file
diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index 3feb68454..f1dd58337 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,5 +1,4 @@
 package core.basesyntax;
-
 public class MainApp {
     public static void main(String[] args) {
         // All executable code goes inside this method
@@ -9,4 +8,4 @@ public static void main(String[] args) {
             machine.stopWork();
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index 35b6038f3..b1920543b 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,13 +1,11 @@
 package core.basesyntax;
-
 public class Truck extends Machine {
     @Override
     public void doWork() {
         System.out.println("Truck started working");
     }
-
     @Override
     public void stopWork() {
         System.out.println("Truck stopped working");
     }
-}
+}
\ No newline at end of file