What is the use of @OneToOne annotation in JPA?

MCQ: What is the use of @OneToOne annotation in JPA?

a) To define a one-to-one relationship between two entities
b) To configure application properties
c) To create scheduled tasks
d) To define RESTful endpoints

Answer:

a) To define a one-to-one relationship between two entities

Explanation:

The @OneToOne annotation in JPA is used to define a one-to-one relationship between two entities. It indicates that one entity is associated with another entity having a one-to-one relationship.

More 100+ Spring Boot MCQ Questions and Answers

  1. What is the primary goal of Spring Boot?
  2. Which version of Java is required for Spring Boot 3?
  3. What is the role of @SpringBootApplication annotation in Spring Boot?
  4. What is the purpose of Spring Boot Starters?
  5. Which embedded servlet container is NOT supported by default in Spring Boot?
  6. How does Spring Boot simplify Maven configuration?
  7. Which version of Gradle is compatible with Spring Boot 3
  8. What is the purpose of Spring Boot Actuator?
  9. What is the default port for a web application in Spring Boot?
  10. How can you customize the banner in a Spring Boot application?
  11. What is the purpose of the spring-boot-starter-web dependency?
  12. Which component in Spring Boot auto-configures a DataSource based on the classpath settings?
  13. What is the purpose of the spring-boot-starter-test dependency?
  14. Which embedded servlet container is supported by default in Spring Boot?
  15. How can you run a Spring Boot application?
  16. What is the use of the @ComponentScan annotation in Spring Boot?
  17. What does the @Autowired annotation do in Spring Boot?
  18. What is the use of @Entity annotation in Spring Boot?
  19. What is the use of the spring-boot-starter-data-jpa dependency?
  20. What is the use of @SpringBootTest annotation in Spring Boot?
  21. What is the use of the @ConfigurationProperties annotation in Spring Boot?
  22. Which dependency is used to configure Spring Security in Spring Boot?
  23. How does Spring Boot support database migrations?
  24. What is the default scope of a Spring bean in Spring Boot?
  25. What is the use of the @Service annotation in Spring Boot?
  26. What is the role of the spring-boot-starter-actuator dependency?
  27. How can you specify profile-specific configuration in Spring Boot?
  28. What is the purpose of the @Scheduled annotation in Spring Boot?
  29. How does Spring Boot simplify database access?
  30. What is the use of @RequestBody annotation in a Spring Boot controller?
  31. How are static resources served in a Spring Boot web application?
  32. What is the use of the @Query annotation in Spring Data JPA?
  33. What is the purpose of the @EnableAutoConfiguration annotation in Spring Boot
  34. How to secure REST endpoints in Spring Boot?
  35. What is the purpose of the @JsonBackReference and @JsonManagedReference annotations in Spring Boot?
  36. What is the use of the @CrossOrigin annotation in a Spring Boot application?
  37. In Spring Boot, how can you externalize configuration?
  38. What is the purpose of the @PathVariable annotation in Spring Boot?
  39. Which component is responsible for handling view resolution in a Spring Boot web application?
  40. How can you enable transaction management in a Spring Boot application?
  41. What is the primary use of the @Repository annotation in Spring Boot?
  42. What is the purpose of the spring-boot-starter-jdbc dependency in Spring Boot.
  43. What is the purpose of the spring-boot-starter-aop dependency?
  44. What is the primary role of the spring-boot-starter-cache dependency?
  45. How can you handle exceptions globally in a Spring Boot application?
  46. What is the main purpose of the @EnableJpaRepositories annotation in Spring Boot?
  47. What is the role of the @Valid annotation in Spring Boot?
  48. How to implement internationalization (i18n) in Spring Boot?
  49. What is the use of @ModelAttribute annotation in a Spring Boot web application?
  50. Which starter dependency is used for developing web applications with Thymeleaf templates in Spring Boot?
  51. How does Spring Boot support the creation of JMS (Java Message Service) applications?
  52. What is the use of @JsonInclude annotation in Spring Boot?
  53. What is the role of the @Profile annotation in Spring Boot?
  54. How does Spring Boot handle logging?
  55. What is the use of spring-boot-starter-data-mongodb dependency?
  56. In Spring Boot, how is a bean defined?
  57. What is the role of the @RequestParam annotation in a Spring Boot web application?
  58. In Spring Boot, what is the purpose of the @EnableCaching annotation?
  59. What is the primary use of the @JsonView annotation in Spring Boot?
  60. What is the role of the spring-boot-starter-websocket dependency?
  61. In Spring Boot, which annotation is used to create asynchronous methods?
  62. What is the primary purpose of the @EnableJpaAuditing annotation in Spring Boot?
  63. How does Spring Boot support OAuth2 for securing applications?
  64. In Spring Boot, what is the purpose of the @ExceptionHandler annotation?
  65. What is the primary use of the @Transactional annotation in Spring Boot?
  66. How does Spring Boot simplify the deployment of web applications?
  67. What is the use of @RestController in Spring Boot
  68. How does Spring Boot simplify the development of web applications?
  69. What is the use of @RequestMapping annotation in Spring Boot?
  70. What is the use of @ResponseBody annotation in a Spring Boot controller?
  71. In Spring Boot, how can you handle exceptions globally?
  72. How does Spring Boot support form handling in web applications?
  73. How can you define custom error pages in a Spring Boot web application?
  74. What is the use of @RestControllerAdvice annotation in Spring Boot?
  75. How can you define custom HTTP error codes in a Spring Boot application?
  76. What is the use of @JsonIgnore annotation in Spring Boot?
  77. In Spring Boot, how can you customize the default JSON serializer?
  78. How can you serve a dynamic HTML content in a Spring Boot application?
  79. Which Spring Boot starter dependency is used for JPA integrations?
  80. How does Spring Boot automatically configure a DataSource?
  81. Which Spring Boot starter is used for integrating the MongoDB NoSQL database?
  82. In Spring Boot, how can you access the H2 database's web console in development?
  83. In Spring Boot, which annotation is used to define SQL queries in repository interfaces?
  84. How can you define a JPA repository in Spring Boot?
  85. What is the role of the JpaRepository interface in Spring Boot?
  86. Which Spring Boot starter is used for integrating the Elasticsearch NoSQL database?
  87. What is the purpose of the @GeneratedValue annotation in a JPA entity?
  88. How does Spring Boot support Redis caching?
  89. What is the use of MongoRepository interface in Spring Boot?
  90. How to enable automatic schema generation for JPA entities in Spring Boot?
  91. What is the use of @Table annotation in a JPA entity?
  92. Which Spring Boot starter is used for integrating Apache Cassandra?
  93. What is the primary use of the @ManyToOne annotation in JPA?
  94. How can you define custom query methods in a Spring Data repository?
  95. What is the use of @OneToOne annotation in JPA?
  96. What is the primary use of the @OneToMany annotation in JPA?
  97. What is the role of the @Version annotation in a JPA entity?
  98. How does Spring Boot simplify the integration with Apache Kafka?
  99. What is the use of @Lob annotation in a JPA entity?
  100. How does Spring Boot support reactive data access?
  101. In Spring Boot, which annotation is used for declarative transaction management?

Related Spring Boot Source Code Examples

Spring Boot Security Login REST API Example Spring Boot Security Login and Registration REST API Role-based Authorization using Spring Boot and Spring Security Spring Boot JWT Authentication and Authorization Example Spring Boot Security JWT Example - Login REST API with JWT Authentication Spring Boot DTO Example Spring Boot DTO ModelMapper Example @GetMapping Spring Boot Example @PostMapping Spring Boot Example @PutMapping Spring Boot Example @DeleteMapping Spring Boot Example @PatchMapping Spring Boot Example @SpringBootApplication - Spring Boot Spring Boot Hello World REST API Example Spring Boot REST API returns Java Bean Create Spring Boot REST API returns List Spring Boot REST API with Path Variable Spring Boot REST API with Request Param Spring Boot Hibernate MySQL CRUD REST API Tutorial Spring Boot Real-Time Project Development using Spring MVC + Spring Security + Thymeleaf and MySQL Database Spring Boot Tutorial - User Login and Registration Backend + Email Verification Spring Boot JUnit and Mockito Example - Service Layer Testing Spring Professional Certification Cost Spring Boot Validate JSON Request Body Spring Boot One to Many CRUD Example | REST Controller Spring Boot Project with Controller Layer + Service Layer + Repository/DAO Layer Spring Boot Reactive MongoDB CRUD Example - WebFlux Spring Boot Amazon S3 - File Upload Download Delete Example Spring Boot RabbitMQ Publisher and Consumer Example Free Spring Boot Open Source Projects for Learning Purposes Spring Boot + Microsoft SQL Server + Hibernate Example Spring Boot Hibernate Thymeleaf MySQL CRUD Example Spring Boot CRUD Example with Spring MVC, Spring Data JPA, ThymeLeaf, Hibernate, MySQL Spring Boot Hibernate RESTful GET POST PUT and DELETE API Tutorial Best YouTube Channels to learn Spring Boot React Spring Boot Example Spring Boot Groovy Thymeleaf Example Tutorial Spring Boot Scala Thymeleaf Example Tutorial Spring Boot Hibernate DAO with MySQL Database Example Spring Boot PostgreSQL CRUD Example Spring Boot CRUD Example with MySQL Spring Boot Starter Parent Spring Boot JdbcTemplate Example Spring Boot PayPal Payment Gateway Integration Example Create Spring Boot REST API How to Create Spring Boot Application Using Maven How to Create Spring Boot Application Using Gradle How to Use Thymeleaf in a Spring Boot Web Application? How to Enable CORS in a Spring Boot Application? Spring Boot + Angular 8 CRUD Example Spring Boot + Angular 9 CRUD Example Spring Boot + Angular + WebSocket Example Spring Boot CRUD Application with Thymeleaf Spring Boot ReactJS CRUD Project - Employee Management App | GitHub Spring Petclinic ReactJS Project | GitHub Spring Boot React JWT Authentication Example Spring Boot React Basic Authentication Example CRUD Example using Spring Boot + Angular + MySQL Spring Boot + React + Redux CRUD Example Spring Boot Project - Sagan Spring Boot Project - ReactJS Spring Boot CRUD Full Stack Application - GitHub Spring Boot Project - Spring Initializr Spring Boot + Angular Project - Employee Management System Spring Boot Thymeleaf Project - Employee Management System Spring Boot MVC Project - Blogs Aggregator Spring Boot Project - Spring Petclinic | GitHub Spring Boot, Spring Cloud Microservice Project - PiggyMetrics | GitHub Spring Boot, Spring Security, JWT, React, and Ant Design - Polling App | GitHub Spring Boot Microservice Project - Shopping Cart App | GitHub Spring Boot, Spring Cloud Microservice Project - Spring Petclinic App | GitHub Microservices with Spring Cloud Project | GitHub Spring Boot Angular Petclinic Project | GitHub Spring Boot Angular Project - BookStore App | GitHub React Springboot Microservices Project | GitHub Spring Boot Microservices, Spring Cloud, and React Project - BookStoreApp | GitHub Spring Boot + Spring Security + JWT Example Spring Boot Hibernate Assign UUID Identifiers Example Spring Boot Angular Project - Reddit Clone Application Spring Boot Step-by-Step Example Spring Boot Starters List Spring Boot E-Commerce Project - Shopizer Spring Data JPA - save() Method Example Spring Data JPA - saveAll() Method Example Spring Data JPA - findById() Method Example Spring Data JPA - findAll() Method Example Spring Data JPA - count() Method Example Spring Data JPA - deleteById() Method Example Spring Data JPA - delete() Method Example Spring Data JPA - deleteAll() Method Example Spring Data JPA - Distinct Query Method Example Spring Data JPA - GreaterThan Query Method Example Spring Data JPA - LessThan Query Method Example Spring Data JPA - Containing Query Method Example Spring Data JPA - Like Query Method Example Spring Data JPA - Between Query Method Example Spring Data JPA - Date Range Between Query Method Example Spring Data JPA - In Clause Query Method Example Unit Test Spring Boot GET REST API using JUnit and Mockito Unit Test Spring Boot POST REST API using JUnit and Mockito Unit Test Spring Boot PUT REST API using JUnit and Mockito Unit Test Spring Boot DELETE REST API using JUnit and Mockito Create REST Client using WebClient for Spring Boot CRUD REST API Spring Boot WebClient GET Request with Parameters Spring Boot WebClient POST Request Example Spring Boot WebClient PUT Request Example Spring Boot WebClient DELETE Request Example Spring Boot RestClient GET Request Example Spring Boot RestClient POST Request Example Spring Boot RestClient PUT Request Example Spring Boot RestClient Delete Request Example

Spring Core Annotations with Examples

Spring Boot @Component Example Spring Boot @Autowired Example Spring Boot @Qualifier Example Spring Boot @Primary Example Spring Boot @Bean Example Spring Boot @Lazy Example Spring Boot @Scope Example Spring Boot @PropertySource Example Spring Boot @Transactional Example Spring Boot @Configuration Example Spring Boot @ComponentScan Example Spring Boot @Profile Example Spring Boot @Cacheable Example Spring Boot @DependsOn Example Spring Boot @RestController Example Spring Boot @ResponseBody Example Spring Boot @GetMapping Example Spring Boot @PostMapping Example Spring Boot @PutMapping Example Spring Boot @DeleteMapping Example Spring Boot @PatchMapping Example Spring Boot @PathVariable Example Spring Boot @ResponseStatus Example Spring Boot @Service Example Spring Boot @Repository Example Spring Boot @RequestParam Example Spring Boot @SessionAttribute Example Spring Boot @RequestBody Example Spring Boot @ExceptionHandler Example Spring Boot @InitBinder Example Spring Boot @ModelAttribute Example Spring Boot @RequestMapping Example Spring Boot @CrossOrigin Example Spring Boot @ControllerAdvice Example Spring Boot @RestControllerAdvice Example Spring Boot @SpringBootApplication Example Spring Boot @EnableAutoConfiguration Example Spring Boot @ConditionalOnClass Example Spring Boot @SpringBootConfiguration Example Spring Boot @ConditionalOnProperty Example Spring Boot @ConditionalOnWebApplication Example Spring Boot @ConfigurationProperties Example Spring Boot @Async Example Spring Boot @Scheduled Example Spring Boot @SpringBootTest Example Spring Boot @WebMvcTest Example Spring Boot @DataJpaTest Example Spring Boot @EnableDiscoveryClient Example Spring Boot @EnableFeignClients Example Spring Boot @RefreshScope Example Spring Boot @LoadBalanced Example Spring Boot @Query Example Spring Boot @Modifying Example Spring Boot @Param Example Spring Boot JPA @Transient Example Spring Boot JPA @Enumerated Example Spring Boot JPA @Temporal Example Spring Boot @CreatedBy Example Spring Boot @LastModifiedDate Example Spring Boot @IdClass Example

Comments

Post a Comment