Java

Mocking with (and without) Spring Boot

Mocking with (and without) Spring Boot

Mockito is a very popular library to support testing. It allows us to replace real objects with “mocks”, i.e. with objects that are not the real thing and whose behavior we can control within our test.

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Bean Validation Anti-Patterns

Bean Validation Anti-Patterns

Bean Validation is the de-facto standard for implementing validation logic in the Java ecosystem and it’s a great tool to have around.

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Pollution-Free Dependency Management with Gradle

Pollution-Free Dependency Management with Gradle

Remember the days when we had to manually download every single JAR file that our project needed to run? And not only the JAR files we directly depended upon, mind you, but even those JAR files that our dependencies and our dependencies' dependencies needed to work!

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Maven Scopes and Gradle Configurations Explained

Maven Scopes and Gradle Configurations Explained

table th:first-of-type { width: 40%; } One of the key features of a build tool for Java is dependency management.

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5 Reasons Why Business Exceptions Are a Bad Idea

5 Reasons Why Business Exceptions Are a Bad Idea

I recently had a conversation about exception handling. I argued that business exceptions are a good thing because they clearly mark the possible failures of a business method.

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3 Steps to Fix NoSuchMethodErrors and NoSuchMethodExceptions

3 Steps to Fix NoSuchMethodErrors and NoSuchMethodExceptions

A NoSuchMethodError occurs when we’re calling a method that does not exist at runtime. The method must have existed at compile time, since otherwise the compiler would have refused to compile the class calling that method with an error: cannot find symbol.

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