### Question:
StringParser implements ConfigurationParser { @Override public Set<Class> getResponsibleClasses() { return Collections.singleton(String.class); }  @Override Set<Class> getResponsibleClasses(); @Override String parseValue(String value, Class targetType);  }### Answer:
@Test public void getResponsibleClasses() { Set<Class> responsibleClasses = parser.getResponsibleClasses(); assertTrue(responsibleClasses.contains(String.class)); }