diff --git a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/pdf/base64/EncodeDecodeUnitTest.java b/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/pdf/base64/EncodeDecodeUnitTest.java
index faade80884..0df6f58136 100644
--- a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/pdf/base64/EncodeDecodeUnitTest.java
+++ b/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/pdf/base64/EncodeDecodeUnitTest.java
@@ -1,5 +1,9 @@
 package com.baeldung.pdf.base64;
 
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -10,10 +14,6 @@ import java.nio.file.Paths;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-
 public class EncodeDecodeUnitTest {
 
     private static final String IN_FILE = "src/test/resources/input.pdf";