RunnableLambdaParam.java

    static Runnable task = Main::socketPlay;

    private static void socketPlay() {
        int count = 0;
        try (var serverSocket = new ServerSocket(80)){

            var socket = serverSocket.accept();
            try (var output = new PrintWriter(socket.getOutputStream(), true)) {
                while (count <=10) {
                    output.println(generateRandomStrings());
                    count++;
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            finally {
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
//in main
task.run();

SocketPlay.java

The previous code was wrong.