Core Java
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Static Analysis & Code Generation for Java: Preventing Bugs Before They Happen
There’s something deeply satisfying about catching a bug before it ever runs. Not during testing, not in production, but right…
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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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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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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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Serverless Java: When it Helps, When it Hurts, and How to Overcome the Limits
Java and serverless computing seem like an odd couple. Java’s enterprise heritage clashes with serverless’s demand for quick starts and…
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Global Test Initialization in JUnit 5
In testing frameworks, it is often necessary to perform some setup tasks before any test in the project is executed.…
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