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Overriding Spring Beans in Integration Tests: A Step-by-Step Implementation

Last Updated: 24 October 2024

In a Spring application, integration tests help validate the complete interaction between different components like services, repositories, and controllers. Sometimes, it ...read more

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Disabling ApplicationRunner and CommandLineRunner Beans During JUnit Testing in Spring Boot

Last Updated: 24 October 2024

In Spring Boot, ApplicationRunner and CommandLineRunner beans are often used to perform specific tasks at application startup, such as initializing data or writing configu...read more

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How to Resolve the ParameterResolutionException in JUnit 5?

Last Updated: 24 October 2024

In JUnit 5, the ParameterResolutionException occurs when JUnit fails to inject a dependency on a test method or constructor. JUnit 5 introduces the concept of dependency i...read more

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How to Integrate and Call a GraphQL API in a Java Spring Boot Application?

Last Updated: 01 November 2024

GraphQL is a more flexible query language and runtime for APIs that lets clients request exactly the data they need by making data fetching more efficient. Compared to RES...read more

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Java-Spring-Boot

Handling HTTP GET and POST Requests in Servlets

Last Updated: 05 February 2025

Understanding how to handle HTTP GET and POST requests in Java Servlets is very important for developing robust web applications. In this article, we will explore how to h...read more

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Gradle Build Script Structure

Last Updated: 24 June 2025

Gradle is a powerful build automation tool which is used to perform tasks like building, testing, and packaging software. It plays a very important role in the Java eco-sy...read more

Servlet Request Handling: doGet() vs doPost()

Last Updated: 25 June 2025

In Servlet doGet() and doPost(), both are methods of the HttpServlet class. These methods are used to handle client requests, proceed with those requests, and generate cor...read more

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Gradle Dependency Management

Last Updated: 24 June 2025

Gradle is a powerful build automation tool that is used to manage dependencies. Dependencies are external libraries or tools that our project needs in order to run properl...read more

Servlet: Request, Response, and Session

Last Updated: 25 June 2025

Servlet is a server-side technology that runs on a web server. They are used to handle the client request obtained from the web server, process that request, generate the ...read more

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Introduction to Spring AI

Last Updated: 01 July 2025

Spring AI is an application framework or starter library for AI engineering. It is a subproject under the Spring module that provides abstractions to simplify working with...read more

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Custom Queries with JPQL Using Workbench or pgAdmin

Last Updated: 03 July 2025

JPQL stands for Java Persistence Query Language, and it is a query language used in Java application to perform operations on database entities, not directly on tables. A...read more

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Spring Boot – Integrating Swagger/OpenAPI

Last Updated: 02 July 2025

Swagger, based on the OpenAPI Specification (OAS), is the industry-standard tool for designing, documenting, and testing RESTful APIs. It provides an intuitive and interac...read more

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Custom Exception Classes and Responses in Spring

Last Updated: 03 July 2025

Java provides a way to create our exceptions by extending the Exception class. Creating our own Exception is known as a custom exception in Java. In simple words, we can s...read more

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Generate Swagger UI for Spring Boot REST APIs

Last Updated: 03 July 2025

REST (Representational State Transfer) is an architectural style that uses HTTP methods. Swagger is a framework in which we can test our REST APIs for different HTTP reque...read more

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Spring Boot – API Documentation using springdoc-openapi

Last Updated: 04 July 2025

For any web application, having clear API documentation is important. It helps both developers and users understand how to use the API. Like what data to send, what kind o...read more

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