Simple Java Socket

Client.java

import java.io.DataOutputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.sql.Timestamp;

public class Client {

	public static void main(String[] args) {
		Socket client;
		DataOutputStream dos;
		InetAddress ia;
		try {
			ia = InetAddress.getByName("localhost");
			client = new Socket(ia, 9999);
			dos = new DataOutputStream(client.getOutputStream());
			Timestamp timestamp = new Timestamp(System.currentTimeMillis());
			dos.writeUTF(timestamp.toString());
			client.close();
		} catch (Throwable t) {
			t.printStackTrace();
		}

	}
}

Server.java

import java.io.DataInputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {

	public static void main(String[] args) {
		ServerSocket server;
		Socket client;
		DataInputStream dis;
		try {
			server = new ServerSocket(9999);
			System.out.println(server.getLocalSocketAddress());
			for (int i = 0; i < 5; i++) {
				client = server.accept();
				System.out.println("Connected " + client.getRemoteSocketAddress());
				dis = new DataInputStream(client.getInputStream());
				System.out.println(dis.readUTF());
				client.close();
			}
		} catch (Throwable t) {
			t.printStackTrace();
		}
	}
}