checkstyle: fix import ordering

Author: Alex Klymenko

src/main/java/com/thealgorithms/datastructures/queues/LinkedQueue.java

@@ -18,9 +18,9 @@ private static class Node<T> {
         }
     }
 
-    private Node<T> front;  // Front of the queue
-    private Node<T> rear;   // Rear of the queue
-    private int size;       // Size of the queue
+    private Node<T> front; // Front of the queue
+    private Node<T> rear; // Rear of the queue
+    private int size; // Size of the queue
 
     /**
      * Initializes an empty LinkedQueue.

src/test/java/com/thealgorithms/datastructures/queues/LinkedQueueTest.java

@@ -4,10 +4,10 @@
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.BeforeEach;
-import java.util.NoSuchElementException;
 import java.util.Iterator;
+import java.util.NoSuchElementException;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 class LinkedQueueTest {