The methods AbstractExample and AbstractProperty throw exceptions defined in Java, such as IllegalArgumentException or UnsupportedOperationException when passed illegal values or implementers try to...

The methods AbstractExample and AbstractProperty throw exceptions defined in Java, such as IllegalArgumentException or UnsupportedOperationException when passed illegal values or implementers try to violate the immutable object pattern. An alternative approach would use user-defined exceptions, defined as subclasses of java.lang.RuntimeException. Implement this approach, and discuss its advantages and disadvantages.