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lookForPorts.javaAPI DocExample642Thu Apr 03 15:23:14 BST 1997None

lookForPorts

public class lookForPorts extends Object

Fields Summary
Constructors Summary
Methods Summary
public static voidmain(java.lang.String[] args)

    
    Socket theSocket;
    String host = "localhost";

    if (args.length > 0) {
      host = args[0];
    }
    for (int i = 0; i < 1024; i++) {
      try {
        theSocket = new Socket(host, i);
        System.out.println("There is a server on port " + i + " of " + host);
      }
      catch (UnknownHostException e) {
        System.err.println(e);
        break;
      }
      catch (IOException e) {
        // must not be a server on this port
      }
    } // end for