From 64d2d915cb6803c0e4cdd6c012143b74cf41ab83 Mon Sep 17 00:00:00 2001
From: maxima <maxima.at.work@gmail.com>
Date: Wed, 17 Sep 2025 13:50:43 +0300
Subject: [PATCH] implemented inheritance of 3 classes and methods as well

---
 src/main/java/core/basesyntax/Bulldozer.java | 13 +++++++++++++
 src/main/java/core/basesyntax/Excavator.java | 13 +++++++++++++
 src/main/java/core/basesyntax/Machine.java   |  7 +++++++
 src/main/java/core/basesyntax/MainApp.java   | 11 +++++++++++
 src/main/java/core/basesyntax/Truck.java     | 13 +++++++++++++
 5 files changed, 57 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..19a847fb2
--- /dev/null
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -0,0 +1,13 @@
+package core.basesyntax;
+
+public class Bulldozer extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("Bulldozer is started working..");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Bulldozer is 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..7497e9188
--- /dev/null
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -0,0 +1,13 @@
+package core.basesyntax;
+
+public class Excavator extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("Excavator is started working...");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Excavator is 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..cad5be453
--- /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..56ab81f35 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,5 +1,16 @@
 package core.basesyntax;
 
 public class MainApp {
+    public static void main(String[] args) {
+        Machine truck = new Truck();
+        Machine bullDozer = new Bulldozer();
+        Machine excavator = new Excavator();
 
+        Machine[] arrayOfMachines = {truck, bullDozer, excavator};
+
+        for (int i = 0; i < arrayOfMachines.length; i++) {
+            arrayOfMachines[i].doWork();
+            arrayOfMachines[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..b629f301d
--- /dev/null
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -0,0 +1,13 @@
+package core.basesyntax;
+
+public class Truck extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("Truck is started working...");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Truck is stopped working.");
+    }
+}