TestMain.java

package nasa.implementation;

import nasa.main.Nasa;

public class TestMain {

 public static void main(String args[]) {
  try {
   TestSignal test = new TestSignal();
   Nasa n = new Nasa(test);
   n.execute();
   String finalPos = n.getFinalPosition();
   System.out.println("Final position is : " + finalPos);
  } catch (Exception e) {
   e.printStackTrace();
  }
 }
}