From 8a74c0a6c9888733f4b9aeebb50e7abe91f4f69f Mon Sep 17 00:00:00 2001
From: Roman Yuzviak <3romanyuzviak@gmail.com>
Date: Thu, 10 Aug 2023 23:06:47 +0300
Subject: [PATCH 1/3] created all classes

---
 .../java/core/basesyntax/vehicle/Bulldozer.java    | 13 +++++++++++++
 .../java/core/basesyntax/vehicle/Excavator.java    | 13 +++++++++++++
 src/main/java/core/basesyntax/vehicle/Machine.java |  7 +++++++
 src/main/java/core/basesyntax/vehicle/Truck.java   | 14 ++++++++++++++
 4 files changed, 47 insertions(+)
 create mode 100644 src/main/java/core/basesyntax/vehicle/Bulldozer.java
 create mode 100644 src/main/java/core/basesyntax/vehicle/Excavator.java
 create mode 100644 src/main/java/core/basesyntax/vehicle/Machine.java
 create mode 100644 src/main/java/core/basesyntax/vehicle/Truck.java

diff --git a/src/main/java/core/basesyntax/vehicle/Bulldozer.java b/src/main/java/core/basesyntax/vehicle/Bulldozer.java
new file mode 100644
index 000000000..12085ae6a
--- /dev/null
+++ b/src/main/java/core/basesyntax/vehicle/Bulldozer.java
@@ -0,0 +1,13 @@
+package core.basesyntax.vehicle;
+
+public class Bulldozer extends Machine{
+    @Override
+    public void doWork() {
+        System.out.println("Bulldozer started its work..");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Bulldozer stopped its work");
+    }
+}
diff --git a/src/main/java/core/basesyntax/vehicle/Excavator.java b/src/main/java/core/basesyntax/vehicle/Excavator.java
new file mode 100644
index 000000000..f36fcc0f5
--- /dev/null
+++ b/src/main/java/core/basesyntax/vehicle/Excavator.java
@@ -0,0 +1,13 @@
+package core.basesyntax.vehicle;
+
+public class Excavator extends Machine {
+    @Override
+    public void doWork() {
+        System.out.println("Excavator started its work..");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Excavator stopped its work");
+    }
+}
diff --git a/src/main/java/core/basesyntax/vehicle/Machine.java b/src/main/java/core/basesyntax/vehicle/Machine.java
new file mode 100644
index 000000000..0bd68df93
--- /dev/null
+++ b/src/main/java/core/basesyntax/vehicle/Machine.java
@@ -0,0 +1,7 @@
+package core.basesyntax.vehicle;
+
+public abstract class Machine {
+    public abstract void doWork();
+
+    public abstract void stopWork();
+}
diff --git a/src/main/java/core/basesyntax/vehicle/Truck.java b/src/main/java/core/basesyntax/vehicle/Truck.java
new file mode 100644
index 000000000..4018acb88
--- /dev/null
+++ b/src/main/java/core/basesyntax/vehicle/Truck.java
@@ -0,0 +1,14 @@
+package core.basesyntax.vehicle;
+
+public class Truck extends Machine{
+    @Override
+    public void doWork() {
+        System.out.println("Truck started its work..");
+    }
+
+    @Override
+    public void stopWork() {
+        System.out.println("Truck stopped its work");
+    }
+
+}

From a7294e69f6984b612b3f87e8a32d250aa39da71d Mon Sep 17 00:00:00 2001
From: Roman Yuzviak <3romanyuzviak@gmail.com>
Date: Thu, 10 Aug 2023 23:59:25 +0300
Subject: [PATCH 2/3] finished/added code to MainApp class

---
 src/main/java/core/basesyntax/MainApp.java      | 17 +++++++++++++++++
 .../java/core/basesyntax/vehicle/Bulldozer.java |  4 ++--
 .../java/core/basesyntax/vehicle/Excavator.java |  2 +-
 .../java/core/basesyntax/vehicle/Truck.java     |  4 ++--
 4 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index f99e9a019..90a2b8b2d 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,5 +1,22 @@
 package core.basesyntax;
 
+import core.basesyntax.vehicle.Bulldozer;
+import core.basesyntax.vehicle.Excavator;
+import core.basesyntax.vehicle.Machine;
+import core.basesyntax.vehicle.Truck;
+
 public class MainApp {
+    public static void main(String[] args) {
+        Machine truck = new Truck();
+        Machine bulldozer = new Bulldozer();
+        Machine excavator = new Excavator();
+
+        Machine[] machines = new Machine[] {truck, bulldozer, excavator};
 
+        for (Machine machine : machines) {
+            machine.doWork();
+            machine.stopWork();
+        }
+    }
 }
+
diff --git a/src/main/java/core/basesyntax/vehicle/Bulldozer.java b/src/main/java/core/basesyntax/vehicle/Bulldozer.java
index 12085ae6a..23622306d 100644
--- a/src/main/java/core/basesyntax/vehicle/Bulldozer.java
+++ b/src/main/java/core/basesyntax/vehicle/Bulldozer.java
@@ -1,9 +1,9 @@
 package core.basesyntax.vehicle;
 
-public class Bulldozer extends Machine{
+public class Bulldozer extends Machine {
     @Override
     public void doWork() {
-        System.out.println("Bulldozer started its work..");
+        System.out.println("Bulldozer started its work");
     }
 
     @Override
diff --git a/src/main/java/core/basesyntax/vehicle/Excavator.java b/src/main/java/core/basesyntax/vehicle/Excavator.java
index f36fcc0f5..1e9744744 100644
--- a/src/main/java/core/basesyntax/vehicle/Excavator.java
+++ b/src/main/java/core/basesyntax/vehicle/Excavator.java
@@ -3,7 +3,7 @@
 public class Excavator extends Machine {
     @Override
     public void doWork() {
-        System.out.println("Excavator started its work..");
+        System.out.println("Excavator started its work");
     }
 
     @Override
diff --git a/src/main/java/core/basesyntax/vehicle/Truck.java b/src/main/java/core/basesyntax/vehicle/Truck.java
index 4018acb88..7f832ffe5 100644
--- a/src/main/java/core/basesyntax/vehicle/Truck.java
+++ b/src/main/java/core/basesyntax/vehicle/Truck.java
@@ -1,9 +1,9 @@
 package core.basesyntax.vehicle;
 
-public class Truck extends Machine{
+public class Truck extends Machine {
     @Override
     public void doWork() {
-        System.out.println("Truck started its work..");
+        System.out.println("Truck started its work");
     }
 
     @Override

From e875322189382502e21175eea5207444686a7941 Mon Sep 17 00:00:00 2001
From: Roman Yuzviak <3romanyuzviak@gmail.com>
Date: Fri, 11 Aug 2023 10:08:52 +0300
Subject: [PATCH 3/3] fixed redutant empty lines

---
 src/main/java/core/basesyntax/MainApp.java       | 1 -
 src/main/java/core/basesyntax/vehicle/Truck.java | 1 -
 2 files changed, 2 deletions(-)

diff --git a/src/main/java/core/basesyntax/MainApp.java b/src/main/java/core/basesyntax/MainApp.java
index 90a2b8b2d..1da187017 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -19,4 +19,3 @@ public static void main(String[] args) {
         }
     }
 }
-
diff --git a/src/main/java/core/basesyntax/vehicle/Truck.java b/src/main/java/core/basesyntax/vehicle/Truck.java
index 7f832ffe5..619dc714d 100644
--- a/src/main/java/core/basesyntax/vehicle/Truck.java
+++ b/src/main/java/core/basesyntax/vehicle/Truck.java
@@ -10,5 +10,4 @@ public void doWork() {
     public void stopWork() {
         System.out.println("Truck stopped its work");
     }
-
 }