import java.io.DataInputStream; 
import java.io.DataOutputStream; 
import java.io.IOException; 
import java.io.InputStream; 
import java.io.OutputStream; 
import java.net.Socket; 
 
public class MainClass { 
  public static void main(String[] args) throws Exception { 
    String serverName = args[0]; 
    int port = Integer.parseInt(args[1]); 
 
    try { 
      System.out.println("Connecting to " + serverName + " on port " + port); 
      Socket client = new Socket(serverName, port); 
 
      System.out.println("Just connected to " + client.getRemoteSocketAddress()); 
 
      OutputStream outToServer = client.getOutputStream(); 
      DataOutputStream out = new DataOutputStream(outToServer); 
      out.writeUTF("Hello from " + client.getLocalSocketAddress()); 
 
      InputStream inFromServer = client.getInputStream(); 
      DataInputStream in = new DataInputStream(inFromServer); 
      System.out.println("Server says " + in.readUTF()); 
 
      client.close(); 
    } catch (IOException e) { 
      e.printStackTrace(); 
    } 
  } 
} 
 
            
          
     
  
  |