src/share/classes/javax/swing/plaf/basic/BasicDirectoryModel.java

*** 96,106 ****
      public Vector<File> getDirectories() {
          synchronized(fileCache) {
              if (directories != null) {
                  return directories;
              }
!             Vector fls = getFiles();
              return directories;
          }
      }
  
      public Vector<File> getFiles() {
--- 96,106 ----
      public Vector<File> getDirectories() {
          synchronized(fileCache) {
              if (directories != null) {
                  return directories;
              }
!             Vector<File> fls = getFiles();
              return directories;
          }
      }
  
      public Vector<File> getFiles() {
*** 315,325 ****
                          if (start >= 0 && end > start
                              && fileCache.subList(end, oldSize).equals(newFileCache.subList(start, newSize))) {
                              if (isInterrupted()) {
                                  return null;
                              }
!                             return new DoChangeContents(null, 0, new Vector(fileCache.subList(start, end)), start, fid);
                          }
                      }
                      if (!fileCache.equals(newFileCache)) {
                          if (isInterrupted()) {
                              cancelRunnables(runnables);
--- 315,325 ----
                          if (start >= 0 && end > start
                              && fileCache.subList(end, oldSize).equals(newFileCache.subList(start, newSize))) {
                              if (isInterrupted()) {
                                  return null;
                              }
!                             return new DoChangeContents(null, 0, new Vector<>(fileCache.subList(start, end)), start, fid);
                          }
                      }
                      if (!fileCache.equals(newFileCache)) {
                          if (isInterrupted()) {
                              cancelRunnables(runnables);