From f05979edfa5918bf96b74d888eaaa1711e3b275f Mon Sep 17 00:00:00 2001
From: Ihor Panchenko <ihpanchenko@gmail.com>
Date: Tue, 20 Aug 2024 15:50:44 +0300
Subject: [PATCH 1/2] Added an abstract class Machine and three concrete
 classes that extend it. Overrode the inherited methods. Used them in main
 methode.

---
 src/main/java/core/basesyntax/Bulldozer.java | 14 ++++++++++++++
 src/main/java/core/basesyntax/Excavator.java | 14 ++++++++++++++
 src/main/java/core/basesyntax/Machine.java   |  9 +++++++++
 src/main/java/core/basesyntax/MainApp.java   |  8 +++++++-
 src/main/java/core/basesyntax/Truck.java     | 15 +++++++++++++++
 5 files changed, 59 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..07f4f41e9
--- /dev/null
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -0,0 +1,14 @@
+package core.basesyntax;
+
+public class Bulldozer extends Machine {
+
+    @Override
+    public void doWork() {
+        System.out.println("Truck started working");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Truck 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..b99273aff
--- /dev/null
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -0,0 +1,14 @@
+package core.basesyntax;
+
+public class Excavator extends Machine {
+
+    @Override
+    public void doWork() {
+        System.out.println("Truck started working");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Truck 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..a69d35319
--- /dev/null
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -0,0 +1,9 @@
+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..b6e7d0a78 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[] array = new Machine[]{new Truck(), new Bulldozer(), new Excavator()};
+        for (int i = 0; i < array.length; i++) {
+            array[i].doWork();
+            array[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..369460ca5
--- /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 working");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Truck stopped working");
+    }
+}
+

From bd73e34fee2a99b2d0e208732ff54521c997adfb Mon Sep 17 00:00:00 2001
From: Ihor Panchenko <ihpanchenko@gmail.com>
Date: Tue, 20 Aug 2024 15:52:38 +0300
Subject: [PATCH 2/2] Added an abstract class Machine and three concrete
 classes that extend it. Overrode the inherited methods. Used them in main
 methode.

---
 src/main/java/core/basesyntax/Bulldozer.java | 4 ++--
 src/main/java/core/basesyntax/Excavator.java | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index 07f4f41e9..ecb954c59 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -4,11 +4,11 @@ public class Bulldozer extends Machine {
 
     @Override
     public void doWork() {
-        System.out.println("Truck started working");
+        System.out.println("Bulldozer started working");
     }
 
     @Override
     public void stopWork() {
-        System.out.println("Truck stopped working");
+        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 b99273aff..8640ffcc1 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -4,11 +4,11 @@ public class Excavator extends Machine {
 
     @Override
     public void doWork() {
-        System.out.println("Truck started working");
+        System.out.println("Excavator started working");
     }
 
     @Override
     public void stopWork() {
-        System.out.println("Truck stopped working");
+        System.out.println("Excavator stopped working");
     }
 }