diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index d0b31c643..d1865a198 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,14 +1,14 @@
 package core.basesyntax;
 
-public class Bulldozer extends Machine{
+public class Bulldozer extends Machine {
 
     @Override
-    public void doWork(){
+    public void doWork() {
         System.out.println("Bulldozer: start of work");
     }
 
     @Override
-    public void stopWork(){
+    public void stopWork() {
         System.out.println("Bulldozer: stop of work");
     }
 
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
index 6cf375bfa..7d7c2eb90 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,14 +1,14 @@
 package core.basesyntax;
 
-public class Excavator extends Machine{
+public class Excavator extends Machine {
 
     @Override
-    public void doWork(){
+    public void doWork() {
         System.out.println("Excavator: start of work");
     }
 
     @Override
-    public void stopWork(){
+    public void stopWork() {
         System.out.println("Excavator: stop of work");
     }
 
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index 2ac5d7615..4c5d43f97 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,14 +1,14 @@
 package core.basesyntax;
 
-public class Truck extends Machine{
+public class Truck extends Machine {
 
     @Override
-    public void doWork(){
+    public void doWork() {
         System.out.println("Truck: start of work");
     }
 
     @Override
-    public void stopWork(){
+    public void stopWork() {
         System.out.println("Truck: stop of work");
     }