diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index 3f4afc9fd..db59e5b08 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,9 +1,11 @@
 package core.basesyntax;
+
 public class Bulldozer extends Machine {
     @Override
     public void doWork() {
         System.out.println("Bulldozer machine started its work");
     }
+
     @Override
     public void stopWork() {
         System.out.println("Bulldozer machine stopped its work");
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
index 81b68d585..a7d21f6cc 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,9 +1,11 @@
 package core.basesyntax;
+
 public class Excavator extends Machine {
     @Override
     public void doWork() {
         System.out.println("Excavator machine started its work");
     }
+
     @Override
     public void stopWork() {
         System.out.println("Excavator machine stopped its work");
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
index 584a9aaeb..4aea2f871 100644
--- a/src/main/java/core/basesyntax/Machine.java
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -1,5 +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 08edb7fa9..0f8ccb87e 100644
--- a/src/main/java/core/basesyntax/MainApp.java
+++ b/src/main/java/core/basesyntax/MainApp.java
@@ -1,4 +1,5 @@
 package core.basesyntax;
+
 public class MainApp {
     public static void main(String[] args) {
         Machine truck = new Truck();
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index 6d21d9147..10fee3868 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,9 +1,11 @@
 package core.basesyntax;
+
 public class Truck extends Machine {
     @Override
     public void doWork() {
         System.out.println("Truck machine started its work");
     }
+
     @Override
     public void stopWork() {
         System.out.println("Truck machine stopped its work");