diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index 861882c45..7fd8697a2 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -5,6 +5,7 @@ public class Bulldozer extends Machine {
     public void doWork() {
         System.out.println("Bulldozer started its work.");
     }
+
     public void stopWork() {
         System.out.println("Bulldozer has stopped working.");
     }
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
index f973cf5d3..e1aff2b15 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -5,6 +5,7 @@ public class Excavator extends Machine {
     public void doWork() {
         System.out.println("Excavator started its work.");
     }
+
     public void stopWork() {
         System.out.println("Excavator has stopped working.");
     }
diff --git a/src/main/java/core/basesyntax/Machine.java b/src/main/java/core/basesyntax/Machine.java
index 5a62715c2..cad5be453 100644
--- a/src/main/java/core/basesyntax/Machine.java
+++ b/src/main/java/core/basesyntax/Machine.java
@@ -2,5 +2,6 @@
 
 public abstract class Machine {
     public abstract void doWork();
+
     public abstract void stopWork();
 }
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index defc4fce8..5f24ab0f7 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -6,6 +6,7 @@ public class Truck extends Machine {
     public void doWork() {
         System.out.println("Truck started its work.");
     }
+
     public void stopWork() {
         System.out.println("Truck has stopped working.");
     }