List<String> names = Arrays.asList("Alice", "Bob", "Charlie"); names.forEach(System.out::println); Path path = Paths.get("file.txt"); List<String> lines = Files.readAllLines(path); lines.forEach(System.out::println); ExecutorService executor = Executors.newFixedThreadPool(10); List<Future<Integer>> results = executor.invokeAll(tasks); ServerSocket server = new ServerSocket(8080); Socket client = server.accept(); InputStream inputStream = client.getInputStream(); Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/database", "username", "password"); Statement statement = connection.createStatement(); ResultSet resultSet = statement.executeQuery("SELECT * FROM table");