Writing code to validate Web-form input can be even more of a chore than implementing form-processing logic. But help is at hand, thanks to the Struts 2 framework. Oleg Mikheev looks under the hood of ...

The idea of constrained properties in Java is not new. Since JDK 1.1, a legion of JavaBeans developers has used a powerful framework found in the java.beans package to enforce data-validation rules.

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java Scanner class provides methods that take String input and convert that String into any ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to garner user input in a Java program is to use the System’s Console class.