How has ServerSocket changed in recent Java versions?

The ServerSocket class in Java has seen various improvements and enhancements over recent versions, particularly in terms of performance, security, and feature set. Some of the notable changes include:

  • Support for IPv6: ServerSocket now supports dual-stack configurations allowing both IPv4 and IPv6 traffic.
  • Improved Security: More robust options for SSL/TLS connectivity have been introduced, ensuring that data transmitted over the network is secure.
  • Socket Options: The class has been enhanced to provide better control over socket options, such as timeouts and buffer sizes, through standardized methods.
  • Asynchronous Networking: New methods for asynchronous operations allow for non-blocking server sockets, improving application responsiveness.

Here is an example of a simple ServerSocket implementation in Java:

import java.io.*; import java.net.*; public class SimpleServer { public static void main(String[] args) { try (ServerSocket serverSocket = new ServerSocket(12345)) { System.out.println("Server is listening on port 12345"); while (true) { Socket socket = serverSocket.accept(); System.out.println("New client connected"); // Implement handling logic for the socket here } } catch (IOException e) { System.out.println("Error in server: " + e.getMessage()); } } }

ServerSocket Java improvements IPv6 security asynchronous networking socket options

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