chore: fix checkstyles

Author: YutaLin

hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/codec/NSSummaryCodec.java

@@ -17,14 +17,14 @@
 
 package org.apache.hadoop.ozone.recon.codec;
 
+import jakarta.annotation.Nonnull;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.DataInputStream;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.HashSet;
 import java.util.Set;
-import jakarta.annotation.Nonnull;
 import org.apache.hadoop.hdds.utils.db.Codec;
 import org.apache.hadoop.hdds.utils.db.CodecBuffer;
 import org.apache.hadoop.hdds.utils.db.CodecException;
@@ -86,7 +86,7 @@ public CodecBuffer toCodecBuffer(@Nonnull NSSummary object, CodecBuffer.Allocato
       buffer.putInt(object.getNumOfFiles());
       buffer.putLong(object.getSizeOfFiles());
       buffer.putShort((short) ReconConstants.NUM_OF_FILE_SIZE_BINS);
-      
+
       int[] fileSizeBucket = object.getFileSizeBucket();
       for (int i = 0; i < ReconConstants.NUM_OF_FILE_SIZE_BINS; ++i) {
         buffer.putInt(fileSizeBucket[i]);

hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/codec/TestNSSummaryCodec.java

@@ -17,12 +17,11 @@
 
 package org.apache.hadoop.ozone.recon.codec;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.util.HashSet;
 import java.util.Set;
-
 import org.apache.hadoop.hdds.utils.db.Codec;
 import org.apache.hadoop.hdds.utils.db.CodecBuffer;
 import org.apache.hadoop.ozone.recon.ReconConstants;
@@ -49,7 +48,7 @@ public void testCodecBufferRoundTrip() throws Exception {
   @Test
   public void testCodecBufferEmptyDirectory() throws Exception {
     NSSummary original = new NSSummary();
-    original.setDirName("/empty");
+    original.setDirName("empty");
     original.setParentId(42L);
 
     CodecBuffer buffer = codec.toCodecBuffer(original, CodecBuffer.Allocator.DIRECT);
@@ -61,7 +60,7 @@ public void testCodecBufferEmptyDirectory() throws Exception {
   @Test
   public void testCodecBufferLargeDirectory() throws Exception {
     NSSummary original = new NSSummary();
-    original.setDirName("/large");
+    original.setDirName("large");
     original.setNumOfFiles(10000);
     original.setSizeOfFiles(1024L * 1024L * 100L); // 100MB
     original.setParentId(999L);
@@ -86,7 +85,7 @@ public void testCodecBufferLargeDirectory() throws Exception {
 
   private NSSummary createTestNSSummary() {
     NSSummary summary = new NSSummary();
-    summary.setDirName("/test/directory");
+    summary.setDirName("test/directory");
     summary.setNumOfFiles(100);
     summary.setSizeOfFiles(1024L * 512L); // 512KB
     summary.setParentId(42L);