java删除文件夹

Path dir = Paths.get("c:"++ File.separator +"images");
		if (Files.exists(dir)) {
			try {
				Files.walkFileTree(dir, new SimpleFileVisitor<Path>() {
					/**
					 * 文件删除
					 */
					@Override
					public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
						Files.delete(file);
						return FileVisitResult.CONTINUE;// 没找到继续找
					}
					/**
					 *删除文件夹
					 */
					@Override
					public FileVisitResult postVisitDirectory(Path dir, IOException e) throws IOException {
						if (e == null) {
							Files.delete(dir);
							return FileVisitResult.CONTINUE;// 没找到继续找
						} else {
							throw e;
						}
					};
				});
			} catch (IOException e) {
			}
		}