ClassConverter implements PropertyConverter<Class<?>> { @Override public int hashCode(){ return getClass().hashCode(); }  @Override Class<?> convert(String value, ConversionContext ctx); @Override boolean equals(Object o); @Override int hashCode();  }
@Test public void testHashCode() { ClassConverter instance = new ClassConverter(); assertThat(instance.hashCode()).isEqualTo(ClassConverter.class.hashCode()); }