corejava第8版

corejava第8版/v2ch03/SocketTest/SocketTest.java

@@ -0,0 +1,39 @@
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+/**
+ * This program makes a socket connection to the atomic clock in Boulder, Colorado, and prints the
+ * time that the server sends.
+ * @version 1.20 2004-08-03
+ * @author Cay Horstmann
+ */
+public class SocketTest
+{
+   public static void main(String[] args)
+   {
+      try
+      {
+         Socket s = new Socket("time-A.timefreq.bldrdoc.gov", 13);
+         try
+         {
+            InputStream inStream = s.getInputStream();
+            Scanner in = new Scanner(inStream);
+
+            while (in.hasNextLine())
+            {
+               String line = in.nextLine();
+               System.out.println(line);
+            }
+         }
+         finally
+         {
+            s.close();
+         }
+      }
+      catch (IOException e)
+      {
+         e.printStackTrace();
+      }
+   }
+}