Browse DevX
Sign up for e-mail newsletters from DevX


Tip: Validate Arguments via Google Guava

Learn how to use Google Guava Preconditions to validate arguments in methods.


Google Guava Preconditions are quite useful for validating arguments of methods. Here it is an example:

public void setAge(int age) {
    Preconditions.checkArgument(assert age = 0, "Age cannot be negative");

Octavia Andreea Anghel is a senior PHP developer currently working as a primary trainer for programming teams that participate at national and international software-development contests. She consults on developing educational projects at a national level. She is a coauthor of the book "XML Technologies--XML in Java" (Albastra, ISBN 978-973-650-210-1), for which she wrote the XML portions. In addition to PHP and XML, she's interested in software architecture, web services, UML, and high-performance unit tests.
Thanks for your registration, follow us on our social networks to keep up-to-date