In other words, a Java class that supports the SOLID open-closed principle will find use in originally un-envisioned scenarios, and be flexible enough to work with newly created classes, interfaces ...

The main objective behind the Open Closed Principle was that once the application has been tested and deployed in the production system, you should no longer have to change the existing source code.

That's what SOLID's single responsibility principle in Java means. Here's an example of how to do SOLID right in Java. ... How to apply the open-closed principle in Java. By: Ashik Patel. Sponsored ...