echoclient.java

来自「java编程开发技巧与实例的编译测试通过的所有例程」· Java 代码 · 共 39 行

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

public class EchoClient
{
	public static void main(String args[])
	{
		try
		{
			Socket connection	=	new Socket(args[0], 7);
			System.out.println("Connectino established:");
			DataInputStream in		=	new DataInputStream(connection.getInputStream());
			DataOutputStream out	=	new DataOutputStream(connection.getOutputStream());
			String line	=	new String("");
			while (!line.toUpperCase().equals(".QUIT"))
			{
				System.out.println("Enter string: ");
				//line	=	Console.readString();
				System.out.println("\tSending string to server . . . ");
				out.writeUTF(line);
				System.out.println("\tWaiting for server response . . .");
				line	=	in.readUTF();
				System.out.println("Receiced: " + line);
			}
			in.close();
			out.close();
			connection.close();
		}
		catch	(UnknownHostException uhe)
		{
			System.err.println("Unknown host: " + args[0]);
		}
		catch	(IOException ioe)
		{
			System.err.println("IOException: " + ioe);
		}
	}
}