diff --git a/core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2darrays/Print2DArraysUnitTest.java b/core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2darrays/Print2DArraysUnitTest.java
index ed587ef59b..74a910050e 100644
--- a/core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2darrays/Print2DArraysUnitTest.java
+++ b/core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2darrays/Print2DArraysUnitTest.java
@@ -1,23 +1,25 @@
 package com.baeldung.print2darrays;
 
+import java.util.Arrays;
+
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
+
 import uk.org.webcompere.systemstubs.jupiter.SystemStub;
 import uk.org.webcompere.systemstubs.jupiter.SystemStubsExtension;
 import uk.org.webcompere.systemstubs.stream.SystemOut;
 
-import java.util.Arrays;
-
 import static org.assertj.core.api.Assertions.assertThat;
 
 @ExtendWith(SystemStubsExtension.class)
 public class Print2DArraysUnitTest {
+
     @SystemStub
     private SystemOut systemOut;
 
     @Test
     void whenPrint2dArrayUsingNestedLoop_thenLinesAreWrittenToSystemOut() {
-        int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        int[][] myArray = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };
         for (int i = 0; i < myArray.length; i++) {
             for (int j = 0; j < myArray[i].length; j++) {
                 System.out.print(myArray[i][j] + " ");
@@ -30,15 +32,17 @@ public class Print2DArraysUnitTest {
 
     @Test
     public void whenPrint2dArrayUsingStreams_thenLinesAreWrittenToSystemOut() {
-        int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
-        Arrays.stream(myArray) .flatMapToInt(Arrays::stream) .forEach(num -> System.out.print(num + " "));
+        int[][] myArray = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };
+        Arrays.stream(myArray)
+            .flatMapToInt(Arrays::stream)
+            .forEach(num -> System.out.print(num + " "));
         String expectedOutput = "1 2 3 4 5 6 7 8 9 ";
         assertThat(systemOut.getLines()).containsExactly(expectedOutput);
     }
 
     @Test
     public void whenPrint2dArrayUsingDeepToString_thenLinesAreWrittenToSystemOut() {
-        int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        int[][] myArray = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };
         System.out.println(Arrays.deepToString(myArray));
         String expectedOutput = "[[1, 2, 3], [4, 5, 6], [7, 8, 9]]";
         assertThat(systemOut.getLines()).containsExactly(expectedOutput);
@@ -46,7 +50,7 @@ public class Print2DArraysUnitTest {
 
     @Test
     public void whenPrint2dArrayUsingArrayToString_thenLinesAreWrittenToSystemOut() {
-        int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        int[][] myArray = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };
         for (int[] row : myArray) {
             System.out.print(Arrays.toString(row) + "\n");
         }
@@ -54,4 +58,3 @@ public class Print2DArraysUnitTest {
         assertThat(systemOut.getLines()).containsExactly(expectedOutput);
     }
 }
-