Sam-Kruglov

package mypackage;

import mypackage.Identifiable;

import java.util.Objects;
import java.util.Set;

public final class EntitySetUtil {
    private EntitySetUtil() {
        // not meant to be initialized

Sam-Kruglov

class AxonIntegrationTest extends AbstractIntegrationTest {
 
  @Test
  void create_document_in_google_docs__propagate_to_ms_word_online(@Autowired EventBus eventBus){
    AxonTestUtil.executeAndWaitForEvents(
            () -> documentService.createGoogleDocument(...),
            eventBus, 2, DocumentSavedEvent.class
    );
    //instead of this:
    //documentService.createGoogleDocument(...);

Sam-Kruglov

import org.junit.jupiter.api.Test;

import java.time.Duration;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.temporal.ChronoUnit;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

Sam-Kruglov

class FileTimeChecker{
    
    public static void main(String[] args) throws IOException, URISyntaxException {

        Path path = Files.write(Paths.get("/hey.txt"), "hey".getBytes());
        File file = new File("/hey.txt");

        Instant fileInstant = Instant.ofEpochMilli(file.lastModified());
        System.out.println("fileInstant:     " + fileInstant);

Sam-Kruglov

public class RepeatedWordFinder {

    public static void main(String[] args) {

        System.out.println(findTheMostRepeatedWord("House, House, House, Dog, Dog, Dog, Dog, cat,cat"));
    }

    public static String findTheMostRepeatedWord(String s) {

        return Arrays.stream(s.toLowerCase().trim().split("[\\n\\t\\r.,;:!?()]"))

Sam-Kruglov

@RepositoryRestController
public class UserController {
    
    private final UserRepository userRepository;
    
    public UserController(final UserRepository userRepository) {
        
        this.userRepository = userRepository;
    }
    

Sam-Kruglov

@Component
public class RestConfig extends RepositoryRestConfigurerAdapter {
    
    @Override
    public void configureJacksonObjectMapper(final ObjectMapper objectMapper) {
        
        objectMapper.setFilterProvider(new SimpleFilterProvider().setFailOnUnknownId(false));
    }
}

Sam-Kruglov

{
    "username": "jsmith",
    "firstName": "John"
}

Sam-Kruglov

{
    "username": "jsmith"
}

Sam-Kruglov

@RestController
public class UserController {
    
    private final UserRepository userRepository;
    
    public UserController(final UserRepository userRepository) {
        
        this.userRepository = userRepository;
    }