assertNull(ex,"Exception should be null if successful creation of all objects");
}
/**
* Main method provides support for testing.
* @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a>
* @param args [address, port, descriptor] command-line arguments are an array of optional String parameters that are passed from execution environment during invocation