@Configuration
@EnableWebMvc
@ComponentScan
public class WebConfiguration extends WebMvcConfigurerAdapter {
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> httpMessageConverters) {
httpMessageConverters.add(new MyCustomMessageConverter(new MediaType("json", "xml")));
}
}
intercept-url pattern="/admin/*" access="hasRole('ROLE_ADMIN')"
int[] N = {1, 2, 3, 4, 5, 6, 7, 6, 8, 9, 1, 2, 3};
Integer[] wrappedN = Arrays.stream(N)
.boxed()
.toArray(Integer[]::new);
Set<Integer> resultSet = new HashSet<Integer>(Arrays.asList(wrappedN));
System.out.println(resultSet.size());
System.out.println(Arrays.stream(N).boxed().collect(Collectors.toSet()).size());