improve variable naming

h2/src/main/org/h2/store/PageStore.java

@@ -415,8 +415,8 @@ public class PageStore implements CacheWriter {
     private void writeBack() {
         ArrayList<CacheObject> list = cache.getAllChanged();
         Collections.sort(list);
-        for (CacheObject aList : list) {
-            writeBack(aList);
+        for (CacheObject cacheObject : list) {
+            writeBack(cacheObject);
         }
     }
 

h2/src/main/org/h2/store/fs/FileUtils.java

@@ -150,8 +150,8 @@ public class FileUtils {
         List<FilePath> list = FilePath.get(path).newDirectoryStream();
         int len = list.size();
         List<String> result = new ArrayList<>(len);
-        for (FilePath aList : list) {
-            result.add(aList.toString());
+        for (FilePath filePath : list) {
+            result.add(filePath.toString());
         }
         return result;
     }