diff --git a/java-shallow-deep-copy/src/main/java/com/baeldung/java_shallow_deep_copy/data/BankAccountDeep.java b/java-shallow-deep-copy/src/main/java/com/baeldung/java_shallow_deep_copy/data/BankAccountDeep.java
index c44a4a9e2e..2e7df816d1 100644
--- a/java-shallow-deep-copy/src/main/java/com/baeldung/java_shallow_deep_copy/data/BankAccountDeep.java
+++ b/java-shallow-deep-copy/src/main/java/com/baeldung/java_shallow_deep_copy/data/BankAccountDeep.java
@@ -2,7 +2,6 @@ package com.baeldung.java_shallow_deep_copy.data;
 
 public class BankAccountDeep extends BankAccount {
 
-
     public BankAccountDeep(String name, String surname, Balance balance) {
         super(name, surname, balance);
     }
diff --git a/java-shallow-deep-copy/src/test/java/com/baeldung/java_shallow_deep_copy/unit/DeepCopyTest.java b/java-shallow-deep-copy/src/test/java/com/baeldung/java_shallow_deep_copy/unit/DeepCopyTest.java
index a186452048..0f7466bdb1 100644
--- a/java-shallow-deep-copy/src/test/java/com/baeldung/java_shallow_deep_copy/unit/DeepCopyTest.java
+++ b/java-shallow-deep-copy/src/test/java/com/baeldung/java_shallow_deep_copy/unit/DeepCopyTest.java
@@ -9,8 +9,6 @@ import com.baeldung.java_shallow_deep_copy.data.BankAccountDeep;
 
 public class DeepCopyTest {
 
-
-
     @Test
     void whenIsADeepCopyDoneByCopyConstructor_thenNestedObjectsAreNotTheSame() {
         Balance balance = new Balance(10000, "EUR");
@@ -24,8 +22,10 @@ public class DeepCopyTest {
         Balance balance = new Balance(10000, "EUR");
         BankAccountDeep bankAccount = new BankAccountDeep("Hello", "World", balance);
         BankAccountDeep deepCopy = new BankAccountDeep(bankAccount);
-        bankAccount.getBalance().setAmount(0);
-        float deepCopyAmount = deepCopy.getBalance().getAmount();
+        bankAccount.getBalance()
+          .setAmount(0);
+        float deepCopyAmount = deepCopy.getBalance()
+          .getAmount();
         assertNotEquals(0, deepCopyAmount);
     }
 
@@ -43,8 +43,10 @@ public class DeepCopyTest {
         Balance balance = new Balance(10000, "EUR");
         BankAccountDeep bankAccount = new BankAccountDeep("Hello", "World", balance);
         BankAccountDeep deepCopy = (BankAccountDeep) bankAccount.clone();
-        bankAccount.getBalance().setAmount(0);
-        float deepCopyAmount = deepCopy.getBalance().getAmount();
+        bankAccount.getBalance()
+          .setAmount(0);
+        float deepCopyAmount = deepCopy.getBalance()
+          .getAmount();
         assertNotEquals(0, deepCopyAmount);
     }
 
diff --git a/java-shallow-deep-copy/src/test/java/com/baeldung/java_shallow_deep_copy/unit/ShallowCopyTest.java b/java-shallow-deep-copy/src/test/java/com/baeldung/java_shallow_deep_copy/unit/ShallowCopyTest.java
index 79d14087d4..62203b015e 100644
--- a/java-shallow-deep-copy/src/test/java/com/baeldung/java_shallow_deep_copy/unit/ShallowCopyTest.java
+++ b/java-shallow-deep-copy/src/test/java/com/baeldung/java_shallow_deep_copy/unit/ShallowCopyTest.java
@@ -1,13 +1,13 @@
 package com.baeldung.java_shallow_deep_copy.unit;
 
-import com.baeldung.java_shallow_deep_copy.data.Balance;
-import com.baeldung.java_shallow_deep_copy.data.BankAccountShallow;
-
-import org.junit.jupiter.api.Test;
-
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 
+import org.junit.jupiter.api.Test;
+
+import com.baeldung.java_shallow_deep_copy.data.Balance;
+import com.baeldung.java_shallow_deep_copy.data.BankAccountShallow;
+
 public class ShallowCopyTest {
 
     @Test
@@ -28,12 +28,14 @@ public class ShallowCopyTest {
     }
 
     @Test
-    void whenIsAShallowCopyDoneByCopyConstructor_thenCopyShouldChange() throws CloneNotSupportedException {
+    void whenIsAShallowCopyDoneByCopyConstructor_thenCopyShouldChange(){
         Balance balance = new Balance(10000, "EUR");
         BankAccountShallow bankAccount = new BankAccountShallow("Hello", "World", balance);
         BankAccountShallow shallowCopy = new BankAccountShallow(bankAccount);
-        bankAccount.getBalance().setAmount(0);
-        float shallowCopyAmount = shallowCopy.getBalance().getAmount();
+        bankAccount.getBalance()
+          .setAmount(0);
+        float shallowCopyAmount = shallowCopy.getBalance()
+          .getAmount();
         assertEquals(0, shallowCopyAmount);
     }
 
@@ -50,8 +52,10 @@ public class ShallowCopyTest {
         Balance balance = new Balance(10000, "EUR");
         BankAccountShallow bankAccount = new BankAccountShallow("Hello", "World", balance);
         BankAccountShallow shallowCopy = (BankAccountShallow) bankAccount.clone();
-        bankAccount.getBalance().setAmount(0);
-        float shallowCopyAmount = shallowCopy.getBalance().getAmount();
+        bankAccount.getBalance()
+          .setAmount(0);
+        float shallowCopyAmount = shallowCopy.getBalance()
+          .getAmount();
         assertEquals(0, shallowCopyAmount);
     }