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 ...

It allows you to de-couple assertions from your test cases. You can swap any assertion library by changing just 1 line of code. Assertions follows a pattern that makes writing test cases easily, and ...

creator and the consumer about the functioning of the application. Assertions provide a mechanism for implementing the design-by-contract principal. Assertions were introduced in early programming ...

Assertions are a fairly simple construct added to the soon-to-be released J2SE (Java 2 Platform, Standard Edition) 1.4. As a basic description, an assertion specifies a boolean-typed expression a ...

A program can fail for just about any reason. Here are a few posibilities commonly covered in OCP: Your program tries to read a file that doesn't exist. Your program tries to access a database, but ...

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 ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

Wouldn’t it be nice if all Java classes that you use, including your own, lived up to their promises? In fact, wouldn’t it be nice if you actually knew exactly what a given class promises? If you ...