From 22ff8f1ff2bd64c1a1191261e2a301b2ced2e5c6 Mon Sep 17 00:00:00 2001
From: Vlad <arhipov09090az@gmail.com>
Date: Sun, 29 Mar 2026 12:10:19 +0300
Subject: [PATCH 1/3] add implementation of each class

---
 src/main/java/core/basesyntax/Machine.java        |  6 ++++++
 .../java/core/basesyntax/machines/Bulldozer.java  | 15 +++++++++++++++
 .../java/core/basesyntax/machines/Excavator.java  | 15 +++++++++++++++
 src/main/java/core/basesyntax/machines/Truck.java | 15 +++++++++++++++
 4 files changed, 51 insertions(+)
 create mode 100644 src/main/java/core/basesyntax/Machine.java
 create mode 100644 src/main/java/core/basesyntax/machines/Bulldozer.java
 create mode 100644 src/main/java/core/basesyntax/machines/Excavator.java
 create mode 100644 src/main/java/core/basesyntax/machines/Truck.java

diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
new file mode 100644
index 000000000..b3c81d24e
--- /dev/null
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -0,0 +1,6 @@
+package core.basesyntax;
+
+public abstract class Machine {
+    public abstract void doWork();
+    public abstract void stopWork();
+}
diff --git a/src/main/java/core/basesyntax/machines/Bulldozer.java b/src/main/java/core/basesyntax/machines/Bulldozer.java
new file mode 100644
index 000000000..0a42fc331
--- /dev/null
+++ b/src/main/java/core/basesyntax/machines/Bulldozer.java
@@ -0,0 +1,15 @@
+package core.basesyntax.machines;
+
+import core.basesyntax.Machine;
+
+public class Bulldozer extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("do work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("stop work");
+    }
+}
diff --git a/src/main/java/core/basesyntax/machines/Excavator.java b/src/main/java/core/basesyntax/machines/Excavator.java
new file mode 100644
index 000000000..36fdd0984
--- /dev/null
+++ b/src/main/java/core/basesyntax/machines/Excavator.java
@@ -0,0 +1,15 @@
+package core.basesyntax.machines;
+
+import core.basesyntax.Machine;
+
+public class Excavator extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("do work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("stop work");
+    }
+}
diff --git a/src/main/java/core/basesyntax/machines/Truck.java b/src/main/java/core/basesyntax/machines/Truck.java
new file mode 100644
index 000000000..a7755d904
--- /dev/null
+++ b/src/main/java/core/basesyntax/machines/Truck.java
@@ -0,0 +1,15 @@
+package core.basesyntax.machines;
+
+import core.basesyntax.Machine;
+
+public class Truck extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("do work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("stop work");
+    }
+}

From 16bddb9b1da8ae4ee4756217f25141e8825a9294 Mon Sep 17 00:00:00 2001
From: Vlad <arhipov09090az@gmail.com>
Date: Sun, 29 Mar 2026 12:25:28 +0300
Subject: [PATCH 2/3] implemented mainApp

---
 src/main/java/core/basesyntax/MainApp.java | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index f99e9a019..6fb2c1a11 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,5 +1,24 @@
 package core.basesyntax;
 
+import core.basesyntax.machines.Bulldozer;
+import core.basesyntax.machines.Excavator;
+import core.basesyntax.machines.Truck;
+
 public class MainApp {
+    public static void main(String[] args) {
+        Machine[] machines = {
+                new Truck(),
+                new Bulldozer(),
+                new Excavator()
+        };
+
+        machineStatus(machines);
+    }
 
+    public static void machineStatus(Machine[] machines) {
+        for (Machine machine : machines) {
+            machine.doWork();
+            machine.stopWork();
+        }
+    }
 }

From 56468d47d30bfd9ae689e5b249965987fe8708b8 Mon Sep 17 00:00:00 2001
From: Vlad <arhipov09090az@gmail.com>
Date: Sun, 29 Mar 2026 13:41:23 +0300
Subject: [PATCH 3/3] checkstyle issue resolved

---
 src/main/java/core/basesyntax/Machine.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
index b3c81d24e..4219699a5 100644
--- a/src/main/java/core/basesyntax/Machine.java
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -2,5 +2,6 @@
 
 public abstract class Machine {
     public abstract void doWork();
+
     public abstract void stopWork();
 }