### Question:
EchoServerV2 { public String echo(String shoutOut) { logger.debug("-> shoutOut={}", shoutOut); String result = shoutOut; logger.debug("<- result={}", result); return result; }  String echo(String shoutOut); static void main(String[] args);  }### Answer:
@Test public void testEcho() { EchoServerV2 echoServer = new EchoServerV2(); String echo = echoServer.echo("UliWasHere!"); assertEquals("UliWasHere!", echo); }