The ability of an object to describe itself. */ public interface SelfDescribing { /** * Generates a description of the object. The description may be part of a * a description of a larger object of which this is just a component, so it * should be worded appropriately. * * @param description * The description to be built or appended to. */ void describeTo(Description description); } org/hamcrest/StringDescription.java org/hamcrest/StringDescription.java package org.hamcrest; import java.io.IOException;...