Java
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Reading and Writing Deeply Partitioned Files in Apache Spark
In large-scale data engineering and analytics, files are often stored in deeply partitioned directories to improve performance and manageability. This…
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HTTPS Calls to Untrusted SSL Servers with REST Assured
When testing REST APIs over HTTPS, REST Assured provides a simple and fluent interface to interact with APIs. However, testing…
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Java API Documentation with Smart-Doc
Generating up-to-date, accurate API documentation is essential for any service-oriented architecture, and Smart-Doc offers a lightweight, low-intrusion solution for Java…
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Lombok @Data and Final Fields Default Constructor Error Example
1. Introduction Lombok is an open-source Java library that generates getter, setter, toString, equals, hashCode, and constructors automatically to reduce common boilerplate code. The…
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Debugging Like a Pro in Eclipse: Advanced Breakpoints and Watchpoints
Debugging is where a good developer becomes a great one. In Java development, Eclipse remains one of the most powerful…
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Runtime Security in Java: Input Validation, Sandboxing, Safe Deserialization
Your Java application just got pwned. An attacker sent a crafted JSON payload, your deserialization code helpfully executed it, and…
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Java Jersey & Jackson ObjectMapper Example
When building REST APIs with Jersey (a JAX-RS implementation) and Jackson for JSON serialization, developers often need to customize how…
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Metric Tagging in Micrometer
Micrometer is the instrumentation facade in Spring Boot’s observability ecosystem, providing a unified API to collect, tag, and publish metrics…
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Contract Testing Java Microservices with Pact: Ensuring Safe Deployments Across Teams
You’re about to deploy your payment service. Your tests pass. Code review looks good. But three other teams depend on…
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