Scaling Java: Essential Patterns for High-Performance Systems
In today’s digital landscape, systems must not only handle increasing user demands but also adapt to evolving requirements. Java, with its robust ecosystem and performance capabilities, is an excellent...
View ArticleHow To Add Header and Footer to PDF Using iText in Java
Adding headers and footers to a PDF is a common requirement in document generation. Headers often contain titles, dates, or logos, while footers may include page numbers or copyright information. Let...
View ArticleGet the Schema From an Avro File
In today’s data-driven world, efficient data serialization and seamless system interoperability are critical for building scalable applications. Apache Avro, a prominent data serialization framework,...
View ArticleMastering Spring Batch: Advanced Data Processing Techniques
In the world of enterprise software, batch processing remains a cornerstone for handling large-scale data processing tasks. Whether it’s migrating datasets, processing financial transactions, or...
View ArticleMock Nested Method Calls Using Mockito
Mockito is a powerful Java-based framework that simplifies unit testing by allowing developers to mock objects and their behaviors. Nested method calls, often encountered in complex systems, can...
View ArticleFixing Blocking Code with the JavaScript Event Loop
JavaScript is the heartbeat of modern web applications. It powers interactive interfaces, dynamic updates, and asynchronous requests that make web experiences seamless. But at the core of this magic...
View ArticleMastering WireMock: Testing RESTful Services in Java Simplified
In the era of RESTful APIs, ensuring the reliability and robustness of service integrations is crucial. Testing these APIs can be challenging, especially when dependent systems are unavailable or...
View ArticleManaging JWT Refresh Tokens in Spring Security: A Complete Guide
In modern applications, security is paramount, and JSON Web Tokens (JWTs) have become a popular choice for implementing stateless authentication. However, JWTs have an inherent limitation: once issued,...
View ArticleConditionals in Spring WebFlux Reactive Flow
Spring WebFlux is a part of the Spring Framework that enables developers to build reactive, non-blocking web applications. Unlike traditional Spring MVC, which uses a servlet-based blocking model,...
View ArticleHTTP DELETE With Request Body
HTTP DELETE is typically used to request the deletion of a resource from a server. However, unlike other HTTP methods like POST or PUT, the DELETE method doesn’t natively support a request body....
View ArticleOptimizing Spring Boot Applications: Tips for Peak Performance
Spring Boot is a powerful framework that simplifies application development. However, as your application scales, you may encounter performance bottlenecks. Optimizing a Spring Boot application...
View ArticleHandling API Responses in Spring Boot: Best Practices and Real-Life Examples
In modern application development, APIs are the backbone of communication between systems. Handling API responses effectively in Spring Boot is essential to ensure clear communication, maintainable...
View ArticleMock Multiple Responses for the Same Request In MockServer
MockServer is a versatile tool for mocking HTTP and HTTPS responses. Often, you may need to simulate different responses for the same request in various scenarios, such as testing retry mechanisms or...
View ArticleSpring Boot @requestmapping To Serve A zip File
Serving a zip file from a Spring Boot application is a common requirement in modern web applications. Whether for compressing logs, providing downloadable resources, or bundling files, zip files make...
View ArticleTear Down HSQLDB Database After Tests
Testing is a critical aspect of software development, and maintaining a clean test environment ensures accurate and reliable results. This article explores how to effectively manage database states in...
View ArticleHow to Apply an AspectJ Pointcut to Every Method in a Package
Aspect-Oriented Programming (AOP) in Java, implemented using AspectJ, allows developers to separate cross-cutting concerns (like logging, security, and transactions) from business logic. A key feature...
View ArticleJava Spring Boot vs. Go (Golang): A Comprehensive Comparison
When choosing a backend technology for building web applications or services, Java Spring Boot and Go (Golang) are two powerful options that developers often consider. Both have unique strengths and...
View ArticleConfigure CORS Policy for Spring Cloud Gateway
Cross-Origin Resource Sharing (CORS) is a mechanism that allows web applications hosted on one domain to interact with resources hosted on a different domain. By default, web browsers block such...
View ArticleInvoke a GoLang Function from Java
Go, often referred to as GoLang, is a statically typed, compiled programming language designed by Google. Known for its simplicity, concurrency support, and performance, Go is widely used in backend...
View ArticleMicronaut vs. Spring: Is It Time to Switch Your Java Framework?
The Java ecosystem has long been dominated by Spring, a robust framework widely adopted for enterprise applications. However, Micronaut, a newer contender, is gaining traction for its lightweight,...
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