Sealed classes are classes that permit only specific classes to extend them, as a result limiting extensibility. Sealed classes provide several benefits such as: additional modularization, could be used to develop internal classes, could be used to develop proprietary software.

Ask people to describe the number one job of a project manager and few will get it right. Payson Hall discusses the most important part of project manager's role.

If you’ve never managed an IT project for your organization that had significant work outsourced to a vendor, what’s learned on the job can be VERY painful and VERY expensive. Here are some things to watch out for.