From 4c819db6ddc8696ff9d5d4cd31e65f3bca77184f Mon Sep 17 00:00:00 2001
From: sofiia <sofiia.khapal@nure.ua>
Date: Mon, 1 Sep 2025 14:26:15 +0200
Subject: [PATCH] add class Machine and classes Truck, Bulldozer, and Excavator
 with methods doWork() and stopWork().

---
 src/main/java/core/basesyntax/Bulldozer.java | 12 ++++++++++++
 src/main/java/core/basesyntax/Excavator.java | 12 ++++++++++++
 src/main/java/core/basesyntax/Machine.java   |  6 ++++++
 src/main/java/core/basesyntax/MainApp.java   |  8 +++++++-
 src/main/java/core/basesyntax/Truck.java     | 12 ++++++++++++
 5 files changed, 49 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..1704fd929
--- /dev/null
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -0,0 +1,12 @@
+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 work");
+    }
+}
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
new file mode 100644
index 000000000..b7a8ed8f5
--- /dev/null
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -0,0 +1,12 @@
+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 work");
+    }
+}
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
new file mode 100644
index 000000000..5a62715c2
--- /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/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index f99e9a019..4b3e175b9 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,5 +1,11 @@
 package core.basesyntax;
 
 public class MainApp {
-
+    public static void main(String[] args) {
+        Machine[] machines = new Machine[]{new Truck(), new Bulldozer(), new Excavator()};
+        for(int i = 0; i < machines.length; i++) {
+            machines[i].doWork();
+            machines[i].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..0f23563a7
--- /dev/null
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -0,0 +1,12 @@
+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 work");
+    }
+}