From 217da256cf0743954b2bcb74a448522796f9e736 Mon Sep 17 00:00:00 2001
From: Tetiana Yashchuk <yashchuk.t.u@gmail.com>
Date: Fri, 8 May 2026 22:49:54 +0300
Subject: [PATCH] solution for oop task

---
 src/main/java/core/basesyntax/Bulldozer.java | 15 +++++++++++++++
 src/main/java/core/basesyntax/Excavator.java | 16 ++++++++++++++++
 src/main/java/core/basesyntax/Machine.java   |  8 ++++++++
 src/main/java/core/basesyntax/MainApp.java   | 14 ++++++++++++++
 src/main/java/core/basesyntax/Truck.java     | 15 +++++++++++++++
 5 files changed, 68 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..7455f868b
--- /dev/null
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -0,0 +1,15 @@
+package core.basesyntax;
+
+public class Bulldozer extends Machine {
+
+    @Override
+    public void doWork() {
+        System.out.println("Bulldozer started work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Bulldozer stopped");
+    }
+
+}
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
new file mode 100644
index 000000000..713814f6a
--- /dev/null
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -0,0 +1,16 @@
+package core.basesyntax;
+
+public class Excavator extends Machine {
+
+    @Override
+    public void doWork() {
+        System.out.println("Excavator started work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Excavator stopped");
+    }
+
+}
+
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
new file mode 100644
index 000000000..5b8bb3eb3
--- /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/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index f99e9a019..40b0c468a 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,5 +1,19 @@
 package core.basesyntax;
 
 public class MainApp {
+    public static void main(String[] args) {
+        Machine[] machines = new Machine[] {
+                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..40468e848
--- /dev/null
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -0,0 +1,15 @@
+package core.basesyntax;
+
+public class Truck extends Machine {
+
+    @Override
+    public void doWork() {
+        System.out.println("Truck started work");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Truck stopped");
+    }
+
+}