Developers make assumptions about how our code will behave when executed, but we’re not always right. Without certainty, it is challenging to write programs that work correctly at runtime. Java ...

In the last three posts, we looked at a few different ways to walk a file tree. Let’s leave file walking behind, and look at a rarely used, but very useful feature of the Java language, namely ...

The Object Oriented paradigm is influenced by the design by contract principal, wherein, the creator and the consumer mutually agree to follow certain rules. The design by contract theory states that ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...

Assertions are statements that you can use to test your assumptions about the code during development. If the assertion turns out to be false, then an AssertionError ...

The term assert is a Java keyword that was introduced into the language with the JDK 1.4 release in February 2002. Java's assert keyword is unique in two very interesting ways: The Java assert is ...

Marco Dahms has been working as a software architect for 18 years. His areas of expertise include clean code, continuous integration, cloud computing, distributed architectures, and Kubernetes. Unit ...

This article explains Chapter 12, "Exceptions and Assertions," from "THE Java™ Programming Language, Fourth Edition." The exception mechanism in the Java ...