CRITICAL
Rule Definition
A Public Instance Variable can be accessed by any other Class, therefore its value can be modified at any time, without control by the Class itself. This is contrary to OO Encapsulation concepts.
Remediation
Change the Field's visibility or make it Static Final.
Violation Code Sample
public class Person { public int age; public String hairColor; }
Fixed Code Sample
Change the Field's visibility or make it Static Final.
Related Technologies
JEE
Technical Criterion
Programming Practices - Modularity and OO Encapsulation Conformity
About CAST Appmarq
CAST Appmarq is by far the biggest repository of data about real IT systems. It's built on thousands of analyzed applications, made of 35 different technologies, by over 300 business organizations across major verticals. It provides IT Leaders with factual key analytics to let them know if their applications are on track.