Sam-Kruglov

{
    "username": "jsmith",
    "_links": {
        "self": {
            "href": "http://localhost:8080/users/1"
        },
        "user": {
            "href": "http://localhost:8080/users/1{?projection}",
            "templated": true
        },

Sam-Kruglov

@RepositoryRestController
public class UserController {
    
    private final UserRepository userRepository;
    
    private final RepositoryEntityLinks links;
    
    public UserController(final UserRepository userRepository,
                          final RepositoryEntityLinks links) {
        

Sam-Kruglov

{
    "firstName": "John",
    "links": [
        {
            "rel": "self",
            "href": "http://localhost:8080/users/1?fields=firstName"
        },
        {
            "rel": "user",
            "href": "http://localhost:8080/users/1{?projection}"

Sam-Kruglov

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

Sam-Kruglov

{
    "username": "jsmith"
}

Sam-Kruglov

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

Sam-Kruglov

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

Sam-Kruglov

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

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

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);