getip.java

《JAVA分布式程序设计》一书的源代码。

import java.net.*;

/**
 * @(#)GetIP.java
 * @author Qusay H. Mahmoud
 */

public class GetIP {
  public static void main(String argv[]) throws Exception {
    InetAddress host = null;
    host = InetAddress.getLocalHost();
    byte ip[] = host.getAddress();
    for (int i=0; i<ip.length; i++) {
      if (i > 0) {
        System.out.print(".");
      }
      System.out.print(ip[i] & 0xff);
    }
    System.out.println();
  }
}