### Question:
DigitalArchitectureEvent extends DigitalArchitectureEventHeader { public DigitalArchitectureEventType getEventType() { return eventType; } DigitalArchitectureEvent();  DigitalArchitectureEvent(DigitalArchitectureEvent template); DigitalArchitectureEventType getEventType(); void setEventType(DigitalArchitectureEventType eventType); @Override String toString(); @Override boolean equals(Object objectToCompare); @Override int hashCode();  }### Answer:
@Test public void testNullObject() { DigitalArchitectureEvent nullObject = new DigitalArchitectureEvent(); assertTrue(nullObject.getEventType() == null); nullObject = new DigitalArchitectureEvent(null); assertTrue(nullObject.getEventType() == null); }