socket_client.java

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Scanner;

public class Client {
	public static void main(String[] args) throws IOException {
		String host = "";
		int port = 5987;
		Socket socket = null;
		Scanner consoleInput = new Scanner(System.in);
		System.out.println("請輸入Server端位址");
		host = consoleInput.nextLine();
		try {
			socket = new Socket(host, port);
			DataInputStream input = null;
			DataOutputStream output = null;

			try {
				input = new DataInputStream(socket.getInputStream());
				output = new DataOutputStream(socket.getOutputStream());
				while (true) {
					System.out.println(input.readUTF());
					break;
				}
			}
			catch (IOException e) {
			}
			finally {
				if (input != null)
					input.close();
				if (output != null)
					output.close();
			}
		}
		catch (IOException e) {
			e.printStackTrace();
		}
		finally {
			if (socket != null)
				socket.close();
			if (consoleInput != null)
				consoleInput.close();
		}
	}
}