Como receber uma resposta do Prompt e jogar numa TextField

import java.net.InetAddress;
import java.net.UnknownHostException;

public class IPAdress {

  public static void main(String[] args) {
    try {
      System.out.println(InetAddress.getLocalHost().getHostName());
      System.out.println(InetAddress.getLocalHost().getHostAddress());
      
    } catch (UnknownHostException e) {
      e.printStackTrace();
    }

  }

}

try{
            ProcessBuilder builder = new ProcessBuilder("calc.exe");
            final Process processo = builder.start();
        }catch(Exception ex){
            
        }

Scanner s = new Scanner( Runtime.getRuntime().exec("cmd /c dir").getInputStream());
while(s.hasNextLine()) {
System.out.println(s.nextLine());
}

Scanner s = new Scanner( Runtime.getRuntime().exec(“cmd /variavel”).getInputStream());

while(s.hasNextLine()) {

System.out.println(s.nextLine());

}

String comando = new String("dir");
Scanner s = new Scanner( Runtime.getRuntime().exec("cmd /c " + comando).getInputStream()); 
while(s.hasNextLine()) { 
System.out.println(s.nextLine()); 
}