| S.No | Question |
|---|---|
| 1. | What is a web application and how does it differ from a traditional desktop application? |
| 2. | Explain the client-server architecture and how it applies to web applications. |
| 3. | What is a web server and what role does it play in web applications? |
| 4. | What is an IP address and why is it important in web communication? |
| 5. | What are ports and how are they used in web applications? |
| 6. | Describe the process of sending a request and receiving a response in a web application. |
| 7. | What is a servlet and how is it different from a regular Java class? |
| 8. | What is the purpose of ServletConfig and ServletContext in a servlet? |
| 9. | Explain the concept of JSP (JavaServer Pages) and its role in web applications. |
| 10. | What are JSP tags and how are they used in JSP pages? |
| 11. | How can you include the content of one JSP page into another using JSPInclude? |
| 12. | Differentiate between a GET and a POST request in terms of data handling and security. |
| 13. | How do you send a GET request in Java and how do you handle it on the server side? |
| 14. | How do you send a POST request in Java and how do you handle it on the server side? |
| 15. | What is the purpose of the RequestDispatcher in a servlet and how is it used? |
| 16. | What is the difference between forwarding and redirecting a request in a web application? |
| 17. | Explain the process of establishing JDBC connectivity in a Java web application. |
| 18. | What are CRUD operations and how are they commonly implemented in web applications? |
| 19. | What are sessions and cookies and how are they used for session management? |
| 20. | How do you create a session in Java and how do you store and retrieve data from it? |
| 21. | What is a web filter and how can it be used to intercept and modify web requests and responses? |
| 22. | Explain the benefits and usage of Lombok in Java development. |
| 23. | What are the various annotations provided by Lombok and how are they used? |
| 24. | How does Lombok simplify the process of generating getters and setters for Java classes? |
| 25. | Can you provide an example of using Lombok's @Data annotation? |
| 26. | How does Lombok help in reducing boilerplate code in Java projects? |
| 27. | How can Lombok be integrated into popular Java IDEs like Eclipse or IntelliJ IDEA? |
| 28. | What is the purpose of Lombok's @Builder annotation and how is it used? |
| 29. | Explain the difference between Lombok's @AllArgsConstructor and @RequiredArgsConstructor annotations. |
| 30. | How does Lombok handle inheritance and annotations applied to superclass constructors? |
| 31. | What is the use of Lombok's @Synchronized annotation and how does it work? |
| 32. | How can you enable Lombok's automatic null checks and how does it improve code quality |
| 33. | What precautions should be taken when using Lombok in a multi-threaded environment? |
| 34. | How does Lombok simplify the process of logging in Java applications? |
| 35. | Can Lombok be used in Android development? If so, how? |
| 36. | Explain the concept of builder pattern and how Lombok's @Builder annotation simplifies its implementation. |
| 37. | How can Lombok be used to generate equals() and hashCode() methods for Java classes? |
| 38. | Does Lombok support customization and configuration options? Provide examples. |
| 39. | How does Lombok handle exceptions thrown by generated code? |
| 40. | Can Lombok be used with legacy code and existing Java projects? |
| 41. | How can Lombok help in reducing code duplication and improving code readability? |
| 42. | What are the potential drawbacks or limitations of using Lombok? |
| 43. | How does Lombok integrate with popular Java frameworks like Spring or Hibernate? |
| 44. | Explain the concept of aspect-oriented programming (AOP) and its relevance in Java development. |
| 45. | How can AOP be implemented in a Java web application using frameworks like AspectJ or Spring AOP? |
| 46. | What are the benefits of using AOP for cross-cutting concerns in web applications |
| 47. | How does AOP handle concerns such as logging, security, or transaction management? |
| 48. | Explain the concept of inversion of control (IoC) and how it is implemented in Java frameworks like Spring. |
| 49. | What are the advantages of using IoC containers for managing dependencies in a web application? |
| 50. | How does IoC promote loose coupling and modular design in Java applications? |
| 51. | Describe the process of setting up a basic Spring MVC application and configuring its components. |
| 52. | What is the purpose of the DispatcherServlet in Spring MVC and how does it handle incoming requests? |
| 53. | Explain the role of controllers in a Spring MVC application and how they handle different types of requests. |
| 54. | What are Spring beans and how are they managed by the Spring IoC container? |
| 55. | How can you configure a data source and establish database connectivity in a Spring application? |
| 56. | What is the purpose of Spring Data JPA and how does it simplify database access and CRUD operations? |
| 57. | How does Spring Security provide authentication and authorization features in a web application? |
| 58. | Explain the concept of RESTful web services and their role in modern web application development. |
| 59. | What are the main principles of REST architecture and how do they impact web service design? |
| 60. | Describe the process of designing and implementing a RESTful API using Java and Spring frameworks. |
| 61. | How can you handle authentication and authorization in a RESTful API using tokens or OAuth? |
| 62. | Explain the difference between SOAP and REST web services and when to use each approach. |
| 63. | What is the purpose of JSON (JavaScript Object Notation) and how is it used in web applications? |
| 64. | How can you parse and generate JSON data in Java using libraries like Jackson or Gson? |
| 65. | What are the best practices for designing and documenting RESTful APIs in Java applications? |
| 66. | How can you handle error and exception scenarios in a RESTful API and provide meaningful responses? |
| 67. | Explain the concept of microservices and their benefits in a distributed web application architecture. |
| 68. | How can you implement inter-service communication and data synchronization in a microservices environment? |
| 69. | What are the challenges and considerations when deploying and scaling microservices in production? |
| 70. | Describe the concept of containerization and its role in modern web application deployment. |
| 71. | How does Docker facilitate the packaging and deployment of web applications as containers? |
| 72. | What is Kubernetes and how does it provide orchestration and management capabilities for containerized applications? |
| 73. | Explain the concept of continuous integration and continuous delivery (CI/CD) in web application development. |
| 74. | How can you set up a CI/CD pipeline using tools like Jenkins, GitLab CI, or Azure DevOps? |
| 75. | What are the benefits of automated testing and how can you integrate it into a CI/CD workflow? |
| 76. | Describe the principles of test-driven development (TDD) and how it can improve code quality and reliability. |
| 77. | How can you write unit tests for Java classes using frameworks like JUnit or TestNG? |
| 78. | What is mocking and how can you use libraries like Mockito to create mock objects for testing? |
| 79. | Explain the concept of code coverage and how it is measured and improved in a testing process. |
| 80. | What are performance testing and load testing, and how can you conduct them for web applications? |
| 81. | How can you monitor the performance and availability of a web application using tools like Prometheus or New Relic? |
| 82. | Describe the principles of reactive programming and how it can improve scalability in web applications. |
| 83. | What is the role of reactive frameworks like Spring WebFlux in building responsive and resilient web applications? |
| 84. | Explain the concept of event-driven architecture (EDA) and its relevance in web application development. |
| 85. | How can you implement event-driven communication between components using tools like Apache Kafka or RabbitMQ? |
| 86. | What are the benefits of caching in web applications and how can you integrate caching mechanisms using frameworks like Ehcache or Redis? |
| 87. | Describe the concept of GraphQL and its advantages over traditional RESTful APIs in web application development. |
| 88. | How can you implement GraphQL in a Java web application using frameworks like GraphQL Java or Netflix DGS? |
| 89. | What are serverless architectures and how can you build serverless web applications using platforms like AWS Lambda or Azure Functions? |
| 90. | Explain the concept of cloud-native application development and its principles in building scalable and resilient web applications. |
| 91. | How can you implement distributed tracing and logging in a web application using tools like Zipkin or ELK stack? |
| 92. | Describe the concept of reactive streams and how they enable asynchronous and non-blocking communication in web applications. |
| 93. | What are the benefits of using reactive streams and how can you implement them in a Java web application using libraries like Reactor or RxJava? |
| 94. | Explain the concept of domain-driven design (DDD) and how it can improve the architecture and maintainability of a web application. |
| 95. | How can you implement the building blocks of DDD, such as aggregates, entities, and value objects, in a Java web application? |
| 96. | What are event sourcing and CQRS (Command Query Responsibility Segregation) and how can they be applied in a web application architecture? |
| 97. | Describe the principles of secure coding and common security vulnerabilities in web applications. |
| 98. | How can you mitigate security risks in a Java web application through practices like input validation, output encoding, and access control? |
| 99. | Explain the concept of OAuth and how it provides secure authentication and authorization for web applications. |
| 100. | What are JSON Web Tokens (JWT) and how can you use them for stateless authentication in a Java web application? |
Office no.- 401,Shekhar Central Building ,Palasiya, Pin-code:452001, Indore
contact@codebetter.in
+91 88230 75444, +91 99939 28766