getdaytime.java

java编程开发技巧与实例的编译测试通过的所有例程

import java.io.BufferedReader;
import java.net.*;
import java.io.*;

public class GetDayTime
{
	public static void main(String args[])
	{
		String host	=	args[0];
		try
		{
			Socket connection	=	new Socket(host, 13);
			System.out.println("Connection established: ");
			BufferedReader in	=	new BufferedReader(
										new InputStreamReader(
												connection.getInputStream()));
			String daytime	=	in.readLine();
			System.out.println("DayTime received: " + daytime);
			connection.close();
		}
		catch	(UnknownHostException uhe)
		{
			System.err.println("Host not found: " + uhe);
		}
		catch	(IOException ioe)
		{
			System.err.println("Error: " + ioe);
		}
	}
}